118551371 has 4 divisors (see below), whose sum is σ = 118973544. Its totient is φ = 118129200.

The previous prime is 118551337. The next prime is 118551397. The reversal of 118551371 is 173155811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118551371 - 2²⁶ = 51442507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118551311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210665 + ... + 211226.

It is an arithmetic number, because the mean of its divisors is an integer number (29743386).

Almost surely, 2^118551371 is an apocalyptic number.

118551371 is a deficient number, since it is larger than the sum of its proper divisors (422173).

118551371 is an equidigital number, since it uses as much as digits as its factorization.

118551371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422172.

The product of its digits is 4200, while the sum is 32.

The square root of 118551371 is about 10888.1298210482. The cubic root of 118551371 is about 491.2495817170.

The spelling of 118551371 in words is "one hundred eighteen million, five hundred fifty-one thousand, three hundred seventy-one".