21375060676524 has 72 divisors (see below), whose sum is σ = 54767722201920. Its totient is φ = 7028443872000.

The previous prime is 21375060676469. The next prime is 21375060676537. The reversal of 21375060676524 is 42567606057312.

21375060676524 is a `hidden beast` number, since 2 + 1 + 3 + 7 + 5 + 0 + 606 + 7 + 6 + 5 + 24 = 666.

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, 9861009 + ... + 11831720.

It is an arithmetic number, because the mean of its divisors is an integer number (760662808360).

Almost surely, 2^{21375060676524} is an apocalyptic number.

It is an amenable number.

21375060676524 is an abundant number, since it is smaller than the sum of its proper divisors (33392661525396).

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

21375060676524 is a wasteful number, since it uses less digits than its factorization.

21375060676524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21693111 (or 21693106 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 21375060676524 in words is "twenty-one trillion, three hundred seventy-five billion, sixty million, six hundred seventy-six thousand, five hundred twenty-four".