21710511136 has 48 divisors (see below), whose sum is σ = 42960456000. Its totient is φ = 10800034048.

The previous prime is 21710511133. The next prime is 21710511167. The reversal of 21710511136 is 63111501712.

It is not an unprimeable number, because it can be changed into a prime (21710511133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10342215 + ... + 10344313.

It is an arithmetic number, because the mean of its divisors is an integer number (895009500).

Almost surely, 2^21710511136 is an apocalyptic number.

It is an amenable number.

21710511136 is a deficient number, since it is larger than the sum of its proper divisors (21249944864).

21710511136 is a wasteful number, since it uses less digits than its factorization.

21710511136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

The spelling of 21710511136 in words is "twenty-one billion, seven hundred ten million, five hundred eleven thousand, one hundred thirty-six".