155114345503120 has 40 divisors (see below), whose sum is σ = 362453118926400. Its totient is φ = 61733950565760.

The previous prime is 155114345503111. The next prime is 155114345503129. The reversal of 155114345503120 is 21305543411551.

155114345503120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155114345503111) and next prime (155114345503129).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×155114345503120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (155114345503129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871665786 + ... + 4871697625.

It is an arithmetic number, because the mean of its divisors is an integer number (9061327973160).

Almost surely, 2^{155114345503120} is an apocalyptic number.

155114345503120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155114345503120 is an abundant number, since it is smaller than the sum of its proper divisors (207338773423280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155114345503120 is a wasteful number, since it uses less digits than its factorization.

155114345503120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743363623 (or 9743363617 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 155114345503120 its reverse (21305543411551), we get a palindrome (176419888914671).

The spelling of 155114345503120 in words is "one hundred fifty-five trillion, one hundred fourteen billion, three hundred forty-five million, five hundred three thousand, one hundred twenty".