151657121148912 has 90 divisors (see below), whose sum is σ = 438562226410776. Its totient is φ = 48921651938880.

The previous prime is 151657121148781. The next prime is 151657121148947. The reversal of 151657121148912 is 219841121756151.

It is a happy number.

151657121148912 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 571 + 2 + 11 + 48 + 9 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 547819188 + ... + 548095955.

Almost surely, 2^{151657121148912} is an apocalyptic number.

151657121148912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151657121148912 is an abundant number, since it is smaller than the sum of its proper divisors (286905105261864).

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

151657121148912 is a wasteful number, since it uses less digits than its factorization.

151657121148912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095915219 (or 1095915179 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 54.

The spelling of 151657121148912 in words is "one hundred fifty-one trillion, six hundred fifty-seven billion, one hundred twenty-one million, one hundred forty-eight thousand, nine hundred twelve".