61371605392 has 20 divisors (see below), whose sum is σ = 118919174400. Its totient is φ = 30682786208.

The previous prime is 61371605389. The next prime is 61371605441. The reversal of 61371605392 is 29350617316.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15892 + ... + 350707.

It is an arithmetic number, because the mean of its divisors is an integer number (5945958720).

Almost surely, 2^61371605392 is an apocalyptic number.

It is an amenable number.

61371605392 is a deficient number, since it is larger than the sum of its proper divisors (57547569008).

61371605392 is a wasteful number, since it uses less digits than its factorization.

61371605392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377070 (or 377064 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 61371605392 in words is "sixty-one billion, three hundred seventy-one million, six hundred five thousand, three hundred ninety-two".