72416257022545 has 16 divisors (see below), whose sum is σ = 91872612936000. Its totient is φ = 54644232356928.

The previous prime is 72416257022533. The next prime is 72416257022591. The reversal of 72416257022545 is 54522075261427.

It is not a de Polignac number, because 72416257022545 - 2³⁹ = 71866501208657 is a prime.

It is a super-2 number, since 2×72416257022545² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72416257022492 and 72416257022501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664337175 + ... + 1664380684.

It is an arithmetic number, because the mean of its divisors is an integer number (5742038308500).

Almost surely, 2^{72416257022545} is an apocalyptic number.

It is an amenable number.

72416257022545 is a deficient number, since it is larger than the sum of its proper divisors (19456355913455).

72416257022545 is a wasteful number, since it uses less digits than its factorization.

72416257022545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328718112.

The product of its (nonzero) digits is 9408000, while the sum is 52.

The spelling of 72416257022545 in words is "seventy-two trillion, four hundred sixteen billion, two hundred fifty-seven million, twenty-two thousand, five hundred forty-five".