61252609594 has 72 divisors (see below), whose sum is σ = 108398955420. Its totient is φ = 25931304960.

The previous prime is 61252609553. The next prime is 61252609633. The reversal of 61252609594 is 49590625216.

It can be written as a sum of positive squares in 6 ways, for example, as 59994133969 + 1258475625 = 244937^2 + 35475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6779472 + ... + 6788500.

Almost surely, 2^61252609594 is an apocalyptic number.

61252609594 is a deficient number, since it is larger than the sum of its proper divisors (47146345826).

61252609594 is a wasteful number, since it uses less digits than its factorization.

61252609594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184 (or 9156 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 61252609594 in words is "sixty-one billion, two hundred fifty-two million, six hundred nine thousand, five hundred ninety-four".