118551455 has 32 divisors (see below), whose sum is σ = 166053888. Its totient is φ = 80294400.

The previous prime is 118551451. The next prime is 118551467. The reversal of 118551455 is 554155811.

It is not a de Polignac number, because 118551455 - 2² = 118551451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118551451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95690 + ... + 96920.

It is an arithmetic number, because the mean of its divisors is an integer number (5189184).

Almost surely, 2^118551455 is an apocalyptic number.

118551455 is a deficient number, since it is larger than the sum of its proper divisors (47502433).

118551455 is a wasteful number, since it uses less digits than its factorization.

118551455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its digits is 20000, while the sum is 35.

The square root of 118551455 is about 10888.1336784593. The cubic root of 118551455 is about 491.2496977425.

The spelling of 118551455 in words is "one hundred eighteen million, five hundred fifty-one thousand, four hundred fifty-five".