155312335351200 has 72 divisors (see below), whose sum is σ = 505541651575968. Its totient is φ = 41416622759680.

The previous prime is 155312335351181. The next prime is 155312335351207. The reversal of 155312335351200 is 2153533213551.

It is not an unprimeable number, because it can be changed into a prime (155312335351207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32356734132 + ... + 32356738931.

It is an arithmetic number, because the mean of its divisors is an integer number (7021411827444).

Almost surely, 2^{155312335351200} is an apocalyptic number.

155312335351200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155312335351200 is an abundant number, since it is smaller than the sum of its proper divisors (350229316224768).

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

155312335351200 is a wasteful number, since it uses less digits than its factorization.

155312335351200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64713473086 (or 64713473073 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 39.

Adding to 155312335351200 its reverse (2153533213551), we get a palindrome (157465868564751).

The spelling of 155312335351200 in words is "one hundred fifty-five trillion, three hundred twelve billion, three hundred thirty-five million, three hundred fifty-one thousand, two hundred".