21133710175400 has 96 divisors (see below), whose sum is σ = 49241111760000. Its totient is φ = 8435383756800.

The previous prime is 21133710175399. The next prime is 21133710175499. The reversal of 21133710175400 is 457101733112.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1451384120 + ... + 1451398680.

It is an arithmetic number, because the mean of its divisors is an integer number (512928247500).

Almost surely, 2^{21133710175400} is an apocalyptic number.

21133710175400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21133710175400 is an abundant number, since it is smaller than the sum of its proper divisors (28107401584600).

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

21133710175400 is a wasteful number, since it uses less digits than its factorization.

21133710175400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29619 (or 29610 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 21133710175400 in words is "twenty-one trillion, one hundred thirty-three billion, seven hundred ten million, one hundred seventy-five thousand, four hundred".