151231510156 has 12 divisors (see below), whose sum is σ = 264730204368. Its totient is φ = 75594308912.

The previous prime is 151231510153. The next prime is 151231510187. The reversal of 151231510156 is 651015132151.

It is a happy number.

It is a super-2 number, since 2×151231510156² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151231510151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345671 + ... + 5373886.

It is an arithmetic number, because the mean of its divisors is an integer number (22060850364).

Almost surely, 2^151231510156 is an apocalyptic number.

It is an amenable number.

151231510156 is a deficient number, since it is larger than the sum of its proper divisors (113498694212).

151231510156 is a wasteful number, since it uses less digits than its factorization.

151231510156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10723088 (or 10723086 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 151231510156 in words is "one hundred fifty-one billion, two hundred thirty-one million, five hundred ten thousand, one hundred fifty-six".