75565471161112 has 8 divisors (see below), whose sum is σ = 141685258427100. Its totient is φ = 37782735580552.

The previous prime is 75565471161107. The next prime is 75565471161139. The reversal of 75565471161112 is 21116117456557.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×75565471161112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75565471161112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4722841947562 + ... + 4722841947577.

Almost surely, 2^{75565471161112} is an apocalyptic number.

It is an amenable number.

75565471161112 is a deficient number, since it is larger than the sum of its proper divisors (66119787265988).

75565471161112 is a wasteful number, since it uses less digits than its factorization.

75565471161112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445683895145 (or 9445683895141 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 52.

The spelling of 75565471161112 in words is "seventy-five trillion, five hundred sixty-five billion, four hundred seventy-one million, one hundred sixty-one thousand, one hundred twelve".