61613432155258 has 16 divisors (see below), whose sum is σ = 95882574566880. Its totient is φ = 29658696736816.

The previous prime is 61613432155237. The next prime is 61613432155309. The reversal of 61613432155258 is 85255123431616.

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, 1530672316 + ... + 1530712567.

It is an arithmetic number, because the mean of its divisors is an integer number (5992660910430).

Almost surely, 2^{61613432155258} is an apocalyptic number.

61613432155258 is a deficient number, since it is larger than the sum of its proper divisors (34269142411622).

61613432155258 is a wasteful number, since it uses less digits than its factorization.

61613432155258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061385261.

The product of its digits is 5184000, while the sum is 52.

The spelling of 61613432155258 in words is "sixty-one trillion, six hundred thirteen billion, four hundred thirty-two million, one hundred fifty-five thousand, two hundred fifty-eight".