61113263615 has 16 divisors (see below), whose sum is σ = 73532188800. Its totient is φ = 48759942912.

The previous prime is 61113263609. The next prime is 61113263639. The reversal of 61113263615 is 51636231116.

It is a cyclic number.

It is not a de Polignac number, because 61113263615 - 2⁶ = 61113263551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897849 + ... + 2918861.

It is an arithmetic number, because the mean of its divisors is an integer number (4595761800).

Almost surely, 2^61113263615 is an apocalyptic number.

61113263615 is a deficient number, since it is larger than the sum of its proper divisors (12418925185).

61113263615 is a wasteful number, since it uses less digits than its factorization.

61113263615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22546.

The product of its digits is 19440, while the sum is 35.

The spelling of 61113263615 in words is "sixty-one billion, one hundred thirteen million, two hundred sixty-three thousand, six hundred fifteen".