61183899304 has 32 divisors (see below), whose sum is σ = 125170012800. Its totient is φ = 27806168320.

The previous prime is 61183899253. The next prime is 61183899319. The reversal of 61183899304 is 40399838116.

It is a happy number.

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, 495057 + ... + 606175.

It is an arithmetic number, because the mean of its divisors is an integer number (3911562900).

Almost surely, 2^61183899304 is an apocalyptic number.

It is an amenable number.

61183899304 is an abundant number, since it is smaller than the sum of its proper divisors (63986113496).

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

61183899304 is a wasteful number, since it uses less digits than its factorization.

61183899304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117393 (or 117389 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 61183899304 in words is "sixty-one billion, one hundred eighty-three million, eight hundred ninety-nine thousand, three hundred four".