61110564604 has 24 divisors (see below), whose sum is σ = 107962968960. Its totient is φ = 30264108336.

The previous prime is 61110564601. The next prime is 61110564611. The reversal of 61110564604 is 40646501116.

It is a super-2 number, since 2×61110564604² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61110564604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61110564601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3220657 + ... + 3239575.

It is an arithmetic number, because the mean of its divisors is an integer number (4498457040).

Almost surely, 2^61110564604 is an apocalyptic number.

It is an amenable number.

61110564604 is a deficient number, since it is larger than the sum of its proper divisors (46852404356).

61110564604 is a wasteful number, since it uses less digits than its factorization.

61110564604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26577 (or 26575 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 61110564604 in words is "sixty-one billion, one hundred ten million, five hundred sixty-four thousand, six hundred four".