113541660261 has 48 divisors (see below), whose sum is σ = 169819670592. Its totient is φ = 73057420800.

The previous prime is 113541660251. The next prime is 113541660263. The reversal of 113541660261 is 162066145311.

113541660261 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 41 + 6 + 602 + 6 + 1 = 666.

It is not a de Polignac number, because 113541660261 - 2¹⁴ = 113541643877 is a prime.

It is a super-2 number, since 2×113541660261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113541660263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12213331 + ... + 12222623.

It is an arithmetic number, because the mean of its divisors is an integer number (3537909804).

Almost surely, 2^113541660261 is an apocalyptic number.

It is an amenable number.

113541660261 is a deficient number, since it is larger than the sum of its proper divisors (56278010331).

113541660261 is a wasteful number, since it uses less digits than its factorization.

113541660261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714 (or 9711 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 113541660261 in words is "one hundred thirteen billion, five hundred forty-one million, six hundred sixty thousand, two hundred sixty-one".