61574872041 has 24 divisors (see below), whose sum is σ = 95209452000. Its totient is φ = 38230244352.

The previous prime is 61574872033. The next prime is 61574872043. The reversal of 61574872041 is 14027847516.

61574872041 is a `hidden beast` number, since 6 + 1 + 574 + 8 + 72 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 61574872041 - 2³ = 61574872033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61574872043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3041496 + ... + 3061673.

It is an arithmetic number, because the mean of its divisors is an integer number (3967060500).

Almost surely, 2^61574872041 is an apocalyptic number.

It is an amenable number.

61574872041 is a deficient number, since it is larger than the sum of its proper divisors (33634579959).

61574872041 is a wasteful number, since it uses less digits than its factorization.

61574872041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103253 (or 6103250 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 61574872041 in words is "sixty-one billion, five hundred seventy-four million, eight hundred seventy-two thousand, forty-one".