215136202631512 has 32 divisors (see below), whose sum is σ = 404394619543200. Its totient is φ = 107297975298304.

The previous prime is 215136202631479. The next prime is 215136202631513.

215136202631512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×215136202631512² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215136202631513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16022587 + ... + 26210602.

It is an arithmetic number, because the mean of its divisors is an integer number (12637331860725).

Almost surely, 2^{215136202631512} is an apocalyptic number.

It is an amenable number.

215136202631512 is a deficient number, since it is larger than the sum of its proper divisors (189258416911688).

215136202631512 is a wasteful number, since it uses less digits than its factorization.

215136202631512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42234795 (or 42234791 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 215136202631512 in words is "two hundred fifteen trillion, one hundred thirty-six billion, two hundred two million, six hundred thirty-one thousand, five hundred twelve".