21160510562136 has 32 divisors (see below), whose sum is σ = 57710483352000. Its totient is φ = 6412275927840.

The previous prime is 21160510562041. The next prime is 21160510562159. The reversal of 21160510562136 is 63126501506112.

It is a junction number, because it is equal to n+sod(n) for n = 21160510562094 and 21160510562103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40076724286 + ... + 40076724813.

It is an arithmetic number, because the mean of its divisors is an integer number (1803452604750).

Almost surely, 2^{21160510562136} is an apocalyptic number.

It is an amenable number.

21160510562136 is an abundant number, since it is smaller than the sum of its proper divisors (36549972789864).

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

21160510562136 is a wasteful number, since it uses less digits than its factorization.

21160510562136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80153449119 (or 80153449115 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 21160510562136 in words is "twenty-one trillion, one hundred sixty billion, five hundred ten million, five hundred sixty-two thousand, one hundred thirty-six".