61137785030 has 16 divisors (see below), whose sum is σ = 125769157920. Its totient is φ = 20961526272.

The previous prime is 61137785029. The next prime is 61137785047. The reversal of 61137785030 is 3058773116.

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, 436698395 + ... + 436698534.

It is an arithmetic number, because the mean of its divisors is an integer number (7860572370).

Almost surely, 2^61137785030 is an apocalyptic number.

61137785030 is an abundant number, since it is smaller than the sum of its proper divisors (64631372890).

61137785030 is a wasteful number, since it uses less digits than its factorization.

61137785030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873396943.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 61137785030 in words is "sixty-one billion, one hundred thirty-seven million, seven hundred eighty-five thousand, thirty".