75216913085028 has 144 divisors (see below), whose sum is σ = 218685325799360. Its totient is φ = 19932343453440.

The previous prime is 75216913085011. The next prime is 75216913085081. The reversal of 75216913085028 is 82058031961257.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104504275 + ... + 105221562.

Almost surely, 2^{75216913085028} is an apocalyptic number.

75216913085028 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

75216913085028 is an abundant number, since it is smaller than the sum of its proper divisors (143468412714332).

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

75216913085028 is a wasteful number, since it uses less digits than its factorization.

75216913085028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209725898 (or 209725885 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 75216913085028 in words is "seventy-five trillion, two hundred sixteen billion, nine hundred thirteen million, eighty-five thousand, twenty-eight".