118195226488772 has 12 divisors (see below), whose sum is σ = 206843450815680. Its totient is φ = 59097097684296.

The previous prime is 118195226488693. The next prime is 118195226488903. The reversal of 118195226488772 is 277884622591811.

It is a super-2 number, since 2×118195226488772² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118195226488696 and 118195226488705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128373968 + ... + 129291399.

It is an arithmetic number, because the mean of its divisors is an integer number (17236954234640).

Almost surely, 2^{118195226488772} is an apocalyptic number.

It is an amenable number.

118195226488772 is a deficient number, since it is larger than the sum of its proper divisors (88648224326908).

118195226488772 is a wasteful number, since it uses less digits than its factorization.

118195226488772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257780050 (or 257780048 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 71.

The spelling of 118195226488772 in words is "one hundred eighteen trillion, one hundred ninety-five billion, two hundred twenty-six million, four hundred eighty-eight thousand, seven hundred seventy-two".