61116565065515 has 8 divisors (see below), whose sum is σ = 73339960445520. Its totient is φ = 48893197141152.

The previous prime is 61116565065481. The next prime is 61116565065529. The reversal of 61116565065515 is 51556056561116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61116565065515 - 2¹⁴ = 61116565049131 is a prime.

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, 1599644 + ... + 11171033.

It is an arithmetic number, because the mean of its divisors is an integer number (9167495055690).

Almost surely, 2^{61116565065515} is an apocalyptic number.

61116565065515 is a deficient number, since it is larger than the sum of its proper divisors (12223395380005).

61116565065515 is a wasteful number, since it uses less digits than its factorization.

61116565065515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727821.

The product of its (nonzero) digits is 4050000, while the sum is 53.

The spelling of 61116565065515 in words is "sixty-one trillion, one hundred sixteen billion, five hundred sixty-five million, sixty-five thousand, five hundred fifteen".