156252252651 has 24 divisors (see below), whose sum is σ = 230402773440. Its totient is φ = 94117327920.

The previous prime is 156252252647. The next prime is 156252252701.

It is a happy number.

156252252651 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 156252252651 - 2² = 156252252647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156252252151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1261221 + ... + 1379558.

It is an arithmetic number, because the mean of its divisors is an integer number (9600115560).

Almost surely, 2^156252252651 is an apocalyptic number.

156252252651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

156252252651 is a deficient number, since it is larger than the sum of its proper divisors (74150520789).

156252252651 is a wasteful number, since it uses less digits than its factorization.

156252252651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640967 (or 2640956 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The spelling of 156252252651 in words is "one hundred fifty-six billion, two hundred fifty-two million, two hundred fifty-two thousand, six hundred fifty-one".