118756611261 has 12 divisors (see below), whose sum is σ = 171540343260. Its totient is φ = 79169682240.

The previous prime is 118756611247. The next prime is 118756611271. The reversal of 118756611261 is 162116657811.

118756611261 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 5 + 6 + 611 + 26 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112473036900 + 6283574361 = 335370^2 + 79269^2 .

It is not a de Polignac number, because 118756611261 - 2⁷ = 118756611133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118756611241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 832875 + ... + 964983.

It is an arithmetic number, because the mean of its divisors is an integer number (14295028605).

Almost surely, 2^118756611261 is an apocalyptic number.

It is an amenable number.

118756611261 is a deficient number, since it is larger than the sum of its proper divisors (52783731999).

118756611261 is a wasteful number, since it uses less digits than its factorization.

118756611261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231996 (or 231993 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The spelling of 118756611261 in words is "one hundred eighteen billion, seven hundred fifty-six million, six hundred eleven thousand, two hundred sixty-one".