118131632437 has 16 divisors (see below), whose sum is σ = 145866404992. Its totient is φ = 93162312000.

The previous prime is 118131632417. The next prime is 118131632447. The reversal of 118131632437 is 734236131811.

It is a cyclic number.

It is not a de Polignac number, because 118131632437 - 2²⁷ = 117997414709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118131632437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118131632417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086314 + ... + 2142187.

It is an arithmetic number, because the mean of its divisors is an integer number (9116650312).

Almost surely, 2^118131632437 is an apocalyptic number.

It is an amenable number.

118131632437 is a deficient number, since it is larger than the sum of its proper divisors (27734772555).

118131632437 is a wasteful number, since it uses less digits than its factorization.

118131632437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228828.

The product of its digits is 72576, while the sum is 40.

The spelling of 118131632437 in words is "one hundred eighteen billion, one hundred thirty-one million, six hundred thirty-two thousand, four hundred thirty-seven".