118401186451401 has 48 divisors (see below), whose sum is σ = 205744908195840. Its totient is φ = 64096313614560.

The previous prime is 118401186451397. The next prime is 118401186451453. The reversal of 118401186451401 is 104154681104811.

118401186451401 is a `hidden beast` number, since 1 + 1 + 8 + 40 + 11 + 86 + 4 + 514 + 0 + 1 = 666.

It is not a de Polignac number, because 118401186451401 - 2² = 118401186451397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118401186456401) 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, 158362416 + ... + 159108318.

It is an arithmetic number, because the mean of its divisors is an integer number (4286352254080).

Almost surely, 2^{118401186451401} is an apocalyptic number.

It is an amenable number.

118401186451401 is a deficient number, since it is larger than the sum of its proper divisors (87343721744439).

118401186451401 is a wasteful number, since it uses less digits than its factorization.

118401186451401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878546 (or 878543 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The spelling of 118401186451401 in words is "one hundred eighteen trillion, four hundred one billion, one hundred eighty-six million, four hundred fifty-one thousand, four hundred one".