155064281120 has 96 divisors (see below), whose sum is σ = 420518625408. Its totient is φ = 52930603008.

The previous prime is 155064281039. The next prime is 155064281137. The reversal of 155064281120 is 21182460551.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50717 + ... + 559196.

It is an arithmetic number, because the mean of its divisors is an integer number (4380402348).

Almost surely, 2^155064281120 is an apocalyptic number.

155064281120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155064281120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210259312704).

155064281120 is an abundant number, since it is smaller than the sum of its proper divisors (265454344288).

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

155064281120 is a wasteful number, since it uses less digits than its factorization.

155064281120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610162 (or 610154 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 155064281120 in words is "one hundred fifty-five billion, sixty-four million, two hundred eighty-one thousand, one hundred twenty".