61596807512 has 32 divisors (see below), whose sum is σ = 117242737200. Its totient is φ = 30332273664.

The previous prime is 61596807511. The next prime is 61596807527. The reversal of 61596807512 is 21570869516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61596807511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396164 + ... + 3414252.

Almost surely, 2^61596807512 is an apocalyptic number.

It is an amenable number.

61596807512 is a deficient number, since it is larger than the sum of its proper divisors (55645929688).

61596807512 is a wasteful number, since it uses less digits than its factorization.

61596807512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24515 (or 24511 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 61596807512 in words is "sixty-one billion, five hundred ninety-six million, eight hundred seven thousand, five hundred twelve".