61795995615 has 12 divisors (see below), whose sum is σ = 107113059144. Its totient is φ = 32957864304.

The previous prime is 61795995577. The next prime is 61795995619. The reversal of 61795995615 is 51659959716.

61795995615 is a `hidden beast` number, since 6 + 1 + 7 + 9 + 5 + 9 + 9 + 5 + 615 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-61795995615 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61795995619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686622129 + ... + 686622218.

It is an arithmetic number, because the mean of its divisors is an integer number (8926088262).

Almost surely, 2^61795995615 is an apocalyptic number.

61795995615 is a deficient number, since it is larger than the sum of its proper divisors (45317063529).

61795995615 is a wasteful number, since it uses less digits than its factorization.

61795995615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373244358 (or 1373244355 counting only the distinct ones).

The product of its digits is 22963500, while the sum is 63.

The spelling of 61795995615 in words is "sixty-one billion, seven hundred ninety-five million, nine hundred ninety-five thousand, six hundred fifteen".