61115645562 has 16 divisors (see below), whose sum is σ = 122498761152. Its totient is φ = 20327303520.

The previous prime is 61115645561. The next prime is 61115645567. The reversal of 61115645562 is 26554651116.

It is not an unprimeable number, because it can be changed into a prime (61115645561) 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, 11141614 + ... + 11147097.

It is an arithmetic number, because the mean of its divisors is an integer number (7656172572).

Almost surely, 2^61115645562 is an apocalyptic number.

61115645562 is an abundant number, since it is smaller than the sum of its proper divisors (61383115590).

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

61115645562 is a wasteful number, since it uses less digits than its factorization.

61115645562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22289173.

The product of its digits is 216000, while the sum is 42.

The spelling of 61115645562 in words is "sixty-one billion, one hundred fifteen million, six hundred forty-five thousand, five hundred sixty-two".