113772072961 has 8 divisors (see below), whose sum is σ = 115727318784. Its totient is φ = 111830743920.

The previous prime is 113772072949. The next prime is 113772073007. The reversal of 113772072961 is 169270277311.

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 113772072961 - 2³¹ = 111624589313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113772072901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3462705 + ... + 3495406.

It is an arithmetic number, because the mean of its divisors is an integer number (14465914848).

Almost surely, 2^113772072961 is an apocalyptic number.

It is an amenable number.

113772072961 is a deficient number, since it is larger than the sum of its proper divisors (1955245823).

113772072961 is an equidigital number, since it uses as much as digits as its factorization.

113772072961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6958391.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 113772072961 in words is "one hundred thirteen billion, seven hundred seventy-two million, seventy-two thousand, nine hundred sixty-one".