61103765684 has 24 divisors (see below), whose sum is σ = 116544540000. Its totient is φ = 27861956064.

The previous prime is 61103765641. The next prime is 61103765707. The reversal of 61103765684 is 48656730116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7074434 + ... + 7083065.

It is an arithmetic number, because the mean of its divisors is an integer number (4856022500).

Almost surely, 2^61103765684 is an apocalyptic number.

It is an amenable number.

61103765684 is a deficient number, since it is larger than the sum of its proper divisors (55440774316).

61103765684 is a wasteful number, since it uses less digits than its factorization.

61103765684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157599 (or 14157597 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 61103765684 in words is "sixty-one billion, one hundred three million, seven hundred sixty-five thousand, six hundred eighty-four".