21137617230264 has 32 divisors (see below), whose sum is σ = 58715603418000. Its totient is φ = 7045872410016.

The previous prime is 21137617230227. The next prime is 21137617230329. The reversal of 21137617230264 is 46203271673112.

It is a happy number.

21137617230264 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 7 + 617 + 2 + 3 + 0 + 26 + 4 = 666.

It is a super-3 number, since 3×21137617230264³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48929669299 + ... + 48929669730.

Almost surely, 2^{21137617230264} is an apocalyptic number.

21137617230264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21137617230264 is an abundant number, since it is smaller than the sum of its proper divisors (37577986187736).

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

21137617230264 is a wasteful number, since it uses less digits than its factorization.

21137617230264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97859339044 (or 97859339034 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 21137617230264 in words is "twenty-one trillion, one hundred thirty-seven billion, six hundred seventeen million, two hundred thirty thousand, two hundred sixty-four".