61161058824 has 32 divisors (see below), whose sum is σ = 160950156000. Its totient is φ = 19314018432.

The previous prime is 61161058801. The next prime is 61161058837. The reversal of 61161058824 is 42885016116.

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 7 ways as a sum of consecutive naturals, for example, 67062109 + ... + 67063020.

It is an arithmetic number, because the mean of its divisors is an integer number (5029692375).

Almost surely, 2^61161058824 is an apocalyptic number.

It is an amenable number.

61161058824 is an abundant number, since it is smaller than the sum of its proper divisors (99789097176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61161058824 is a wasteful number, since it uses less digits than its factorization.

61161058824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134125157 (or 134125153 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 61161058824 in words is "sixty-one billion, one hundred sixty-one million, fifty-eight thousand, eight hundred twenty-four".