61012587568 has 20 divisors (see below), whose sum is σ = 118486175328. Its totient is φ = 30435510080.

The previous prime is 61012587551. The next prime is 61012587589. The reversal of 61012587568 is 86578521016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416871 + ... + 4430662.

Almost surely, 2^61012587568 is an apocalyptic number.

It is an amenable number.

61012587568 is a deficient number, since it is larger than the sum of its proper divisors (57473587760).

61012587568 is a wasteful number, since it uses less digits than its factorization.

61012587568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847972 (or 8847966 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 61012587568 in words is "sixty-one billion, twelve million, five hundred eighty-seven thousand, five hundred sixty-eight".