75615061712 has 10 divisors (see below), whose sum is σ = 146504182098. Its totient is φ = 37807530848.

The previous prime is 75615061667. The next prime is 75615061733. The reversal of 75615061712 is 21716051657.

It can be written as a sum of positive squares in only one way, i.e., 53887122496 + 21727939216 = 232136^2 + 147404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75615061712.

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, 2362970663 + ... + 2362970694.

Almost surely, 2^75615061712 is an apocalyptic number.

It is an amenable number.

75615061712 is a deficient number, since it is larger than the sum of its proper divisors (70889120386).

75615061712 is a wasteful number, since it uses less digits than its factorization.

75615061712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725941365 (or 4725941359 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 75615061712 in words is "seventy-five billion, six hundred fifteen million, sixty-one thousand, seven hundred twelve".