113447038761 has 81 divisors (see below), whose sum is σ = 195682671639. Its totient is φ = 63149520672.

The previous prime is 113447038759. The next prime is 113447038799. The reversal of 113447038761 is 167830744311.

The square root of 113447038761 is 336819.

It is a perfect power (a square), and thus also a powerful number.

113447038761 is a `hidden beast` number, since 11 + 34 + 470 + 3 + 87 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61665305625 + 51781733136 = 248325^2 + 227556^2 .

It is not a de Polignac number, because 113447038761 - 2¹ = 113447038759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113447038741) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 304147371 + ... + 304147743.

Almost surely, 2^113447038761 is an apocalyptic number.

113447038761 is the 336819-th square number.

113447038761 is the 168410-th centered octagonal number.

It is an amenable number.

113447038761 is a deficient number, since it is larger than the sum of its proper divisors (82235632878).

113447038761 is an frugal number, since it uses more digits than its factorization.

113447038761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 113447038761 in words is "one hundred thirteen billion, four hundred forty-seven million, thirty-eight thousand, seven hundred sixty-one".