101551515156 has 96 divisors (see below), whose sum is σ = 324039054080. Its totient is φ = 26782814592.

The previous prime is 101551515151. The next prime is 101551515179. The reversal of 101551515156 is 651515155101.

101551515156 is a `hidden beast` number, since 1 + 0 + 1 + 551 + 5 + 1 + 51 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 101551515156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101551515151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5156611 + ... + 5176266.

Almost surely, 2^101551515156 is an apocalyptic number.

It is an amenable number.

101551515156 is an abundant number, since it is smaller than the sum of its proper divisors (222487538924).

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

101551515156 is a wasteful number, since it uses less digits than its factorization.

101551515156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10332910 (or 10332902 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 101551515156 in words is "one hundred one billion, five hundred fifty-one million, five hundred fifteen thousand, one hundred fifty-six".