61176172115 has 16 divisors (see below), whose sum is σ = 74769823776. Its totient is φ = 48041683200.

The previous prime is 61176172091. The next prime is 61176172121. The reversal of 61176172115 is 51127167116.

It is not a de Polignac number, because 61176172115 - 2²⁰ = 61175123539 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 320156 + ... + 474185.

It is an arithmetic number, because the mean of its divisors is an integer number (4673113986).

Almost surely, 2^61176172115 is an apocalyptic number.

61176172115 is a deficient number, since it is larger than the sum of its proper divisors (13593651661).

61176172115 is a wasteful number, since it uses less digits than its factorization.

61176172115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794630.

The product of its digits is 17640, while the sum is 38.

The spelling of 61176172115 in words is "sixty-one billion, one hundred seventy-six million, one hundred seventy-two thousand, one hundred fifteen".