61173120590 has 16 divisors (see below), whose sum is σ = 110295453600. Its totient is φ = 24428395680.

The previous prime is 61173120587. The next prime is 61173120629. The reversal of 61173120590 is 9502137116.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61173120590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5100281 + ... + 5112260.

It is an arithmetic number, because the mean of its divisors is an integer number (6893465850).

Almost surely, 2^61173120590 is an apocalyptic number.

61173120590 is a deficient number, since it is larger than the sum of its proper divisors (49122333010).

61173120590 is a wasteful number, since it uses less digits than its factorization.

61173120590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213147.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 61173120590 in words is "sixty-one billion, one hundred seventy-three million, one hundred twenty thousand, five hundred ninety".