21088711132115 has 24 divisors (see below), whose sum is σ = 28859533376688. Its totient is φ = 14670407723840.

The previous prime is 21088711131997. The next prime is 21088711132147. The reversal of 21088711132115 is 51123111788012.

It is not a de Polignac number, because 21088711132115 - 2²⁴ = 21088694354899 is a prime.

It is a super-2 number, since 2×21088711132115² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 362382164 + ... + 362440353.

It is an arithmetic number, because the mean of its divisors is an integer number (1202480557362).

Almost surely, 2^{21088711132115} is an apocalyptic number.

21088711132115 is a deficient number, since it is larger than the sum of its proper divisors (7770822244573).

21088711132115 is a wasteful number, since it uses less digits than its factorization.

21088711132115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724822579 (or 724822556 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 41.

The spelling of 21088711132115 in words is "twenty-one trillion, eighty-eight billion, seven hundred eleven million, one hundred thirty-two thousand, one hundred fifteen".