61113891695 has 8 divisors (see below), whose sum is σ = 73338408960. Its totient is φ = 48889954080.

The previous prime is 61113891659. The next prime is 61113891757. The reversal of 61113891695 is 59619831116.

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

It is not a de Polignac number, because 61113891695 - 2⁸ = 61113891439 is a prime.

It is a congruent number.

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, 136850 + ... + 375440.

It is an arithmetic number, because the mean of its divisors is an integer number (9167301120).

Almost surely, 2^61113891695 is an apocalyptic number.

61113891695 is a deficient number, since it is larger than the sum of its proper divisors (12224517265).

61113891695 is a wasteful number, since it uses less digits than its factorization.

61113891695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289825.

The product of its digits is 349920, while the sum is 50.

The spelling of 61113891695 in words is "sixty-one billion, one hundred thirteen million, eight hundred ninety-one thousand, six hundred ninety-five".