61104998975 has 6 divisors (see below), whose sum is σ = 75770198760. Its totient is φ = 48883999160.

The previous prime is 61104998947. The next prime is 61104998987. The reversal of 61104998975 is 57989940116.

61104998975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61104998975 - 2²⁴ = 61088221759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222099955 + ... + 1222100004.

It is an arithmetic number, because the mean of its divisors is an integer number (12628366460).

Almost surely, 2^61104998975 is an apocalyptic number.

61104998975 is a deficient number, since it is larger than the sum of its proper divisors (14665199785).

61104998975 is a wasteful number, since it uses less digits than its factorization.

61104998975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444199969 (or 2444199964 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 61104998975 in words is "sixty-one billion, one hundred four million, nine hundred ninety-eight thousand, nine hundred seventy-five".