118831851 has 12 divisors (see below), whose sum is σ = 171808728. Its totient is φ = 79146144.

The previous prime is 118831829. The next prime is 118831859. The reversal of 118831851 is 158138811.

It is a happy number.

It is not a de Polignac number, because 118831851 - 2⁶ = 118831787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118831859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4791 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (14317394).

Almost surely, 2^118831851 is an apocalyptic number.

118831851 is a deficient number, since it is larger than the sum of its proper divisors (52976877).

118831851 is a wasteful number, since it uses less digits than its factorization.

118831851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522 (or 12519 counting only the distinct ones).

The product of its digits is 7680, while the sum is 36.

The square root of 118831851 is about 10901.0022933673. The cubic root of 118831851 is about 491.6366914344.

The spelling of 118831851 in words is "one hundred eighteen million, eight hundred thirty-one thousand, eight hundred fifty-one".