61775960032 has 12 divisors (see below), whose sum is σ = 121621421376. Its totient is φ = 30887980000.

The previous prime is 61775959991. The next prime is 61775960083. The reversal of 61775960032 is 23006957716.

It is a super-2 number, since 2×61775960032² (a number of 22 digits) contains 22 as substring.

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, 965249344 + ... + 965249407.

It is an arithmetic number, because the mean of its divisors is an integer number (10135118448).

Almost surely, 2^61775960032 is an apocalyptic number.

It is an amenable number.

61775960032 is a deficient number, since it is larger than the sum of its proper divisors (59845461344).

61775960032 is a wasteful number, since it uses less digits than its factorization.

61775960032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930498761 (or 1930498753 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 61775960032 in words is "sixty-one billion, seven hundred seventy-five million, nine hundred sixty thousand, thirty-two".