61107736404 has 96 divisors (see below), whose sum is σ = 169530729984. Its totient is φ = 16887093120.

The previous prime is 61107736399. The next prime is 61107736411. The reversal of 61107736404 is 40463770116.

61107736404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72094 + ... + 356949.

It is an arithmetic number, because the mean of its divisors is an integer number (1765945104).

Almost surely, 2^61107736404 is an apocalyptic number.

It is an amenable number.

61107736404 is an abundant number, since it is smaller than the sum of its proper divisors (108422993580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61107736404 is a wasteful number, since it uses less digits than its factorization.

61107736404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429157 (or 429155 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 61107736404 in words is "sixty-one billion, one hundred seven million, seven hundred thirty-six thousand, four hundred four".