21514523010513 has 128 divisors (see below), whose sum is σ = 33798460760064. Its totient is φ = 12053596262400.

The previous prime is 21514523010493. The next prime is 21514523010521. The reversal of 21514523010513 is 31501032541512.

It is not a de Polignac number, because 21514523010513 - 2⁸ = 21514523010257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21514523014513) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1709802420 + ... + 1709815002.

It is an arithmetic number, because the mean of its divisors is an integer number (264050474688).

Almost surely, 2^{21514523010513} is an apocalyptic number.

It is an amenable number.

21514523010513 is a deficient number, since it is larger than the sum of its proper divisors (12283937749551).

21514523010513 is a wasteful number, since it uses less digits than its factorization.

21514523010513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 21514523010513 in words is "twenty-one trillion, five hundred fourteen billion, five hundred twenty-three million, ten thousand, five hundred thirteen".