118751125495401 has 45 divisors (see below), whose sum is σ = 206357079255591. Its totient is φ = 67857393694608.

The previous prime is 118751125495307. The next prime is 118751125495411. The reversal of 118751125495401 is 104594521157811.

It is a happy number.

The square root of 118751125495401 is 10897299.

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

118751125495401 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 51 + 1 + 2 + 5 + 49 + 540 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5054200904025 + 113696924591376 = 2248155^2 + 10662876^2 .

It is not a de Polignac number, because 118751125495401 - 2⁷ = 118751125495273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118751125495411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 686443351 + ... + 686616323.

Almost surely, 2^{118751125495401} is an apocalyptic number.

118751125495401 is the 10897299-th square number.

118751125495401 is the 5448650-th centered octagonal number.

It is an amenable number.

118751125495401 is a deficient number, since it is larger than the sum of its proper divisors (87605953760190).

118751125495401 is an frugal number, since it uses more digits than its factorization.

118751125495401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345972 (or 172983 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 54.

The spelling of 118751125495401 in words is "one hundred eighteen trillion, seven hundred fifty-one billion, one hundred twenty-five million, four hundred ninety-five thousand, four hundred one".