118265661841761 has 28 divisors (see below), whose sum is σ = 202648431743872. Its totient is φ = 67580378192376.

The previous prime is 118265661841709. The next prime is 118265661841837. The reversal of 118265661841761 is 167148166562811.

118265661841761 is a `hidden beast` number, since 1 + 1 + 8 + 2 + 6 + 5 + 6 + 618 + 4 + 1 + 7 + 6 + 1 = 666.

It is not a de Polignac number, because 118265661841761 - 2⁶ = 118265661841697 is a prime.

It is a super-2 number, since 2×118265661841761² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118265661851761) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11587851241 + ... + 11587861446.

Almost surely, 2^{118265661841761} is an apocalyptic number.

It is an amenable number.

118265661841761 is a deficient number, since it is larger than the sum of its proper divisors (84382769902111).

118265661841761 is an frugal number, since it uses more digits than its factorization.

118265661841761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23175712712 (or 23175712697 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 118265661841761 in words is "one hundred eighteen trillion, two hundred sixty-five billion, six hundred sixty-one million, eight hundred forty-one thousand, seven hundred sixty-one".