72105501602522 has 16 divisors (see below), whose sum is σ = 118214712306432. Its totient is φ = 32837420084160.

The previous prime is 72105501602467. The next prime is 72105501602531. The reversal of 72105501602522 is 22520610550127.

It is a super-2 number, since 2×72105501602522² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34205644868 + ... + 34205646975.

It is an arithmetic number, because the mean of its divisors is an integer number (7388419519152).

Almost surely, 2^{72105501602522} is an apocalyptic number.

72105501602522 is a deficient number, since it is larger than the sum of its proper divisors (46109210703910).

72105501602522 is a wasteful number, since it uses less digits than its factorization.

72105501602522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68411291893.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 72105501602522 in words is "seventy-two trillion, one hundred five billion, five hundred one million, six hundred two thousand, five hundred twenty-two".