21330532562115 has 32 divisors (see below), whose sum is σ = 39004596817920. Its totient is φ = 9751051995264.

The previous prime is 21330532562093. The next prime is 21330532562159. The reversal of 21330532562115 is 51126523503312.

It is not a de Polignac number, because 21330532562115 - 2¹⁵ = 21330532529347 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 28576782 + ... + 29313708.

It is an arithmetic number, because the mean of its divisors is an integer number (1218893650560).

Almost surely, 2^{21330532562115} is an apocalyptic number.

21330532562115 is a deficient number, since it is larger than the sum of its proper divisors (17674064255805).

21330532562115 is a wasteful number, since it uses less digits than its factorization.

21330532562115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012611.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 21330532562115 in words is "twenty-one trillion, three hundred thirty billion, five hundred thirty-two million, five hundred sixty-two thousand, one hundred fifteen".