61717252588 has 12 divisors (see below), whose sum is σ = 113689675960. Its totient is φ = 29234488032.

The previous prime is 61717252573. The next prime is 61717252637. The reversal of 61717252588 is 88525271716.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 406034481 + ... + 406034632.

Almost surely, 2^61717252588 is an apocalyptic number.

It is an amenable number.

61717252588 is a deficient number, since it is larger than the sum of its proper divisors (51972423372).

61717252588 is a wasteful number, since it uses less digits than its factorization.

61717252588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812069136 (or 812069134 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 52.

The spelling of 61717252588 in words is "sixty-one billion, seven hundred seventeen million, two hundred fifty-two thousand, five hundred eighty-eight".