118450663831 has 2 divisors, whose sum is σ = 118450663832. Its totient is φ = 118450663830.

The previous prime is 118450663829. The next prime is 118450663847. The reversal of 118450663831 is 138366054811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118450663831 - 2¹ = 118450663829 is a prime.

It is a super-2 number, since 2×118450663831² (a number of 23 digits) contains 22 as substring.

Together with 118450663829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118450663801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59225331915 + 59225331916.

It is an arithmetic number, because the mean of its divisors is an integer number (59225331916).

Almost surely, 2^118450663831 is an apocalyptic number.

118450663831 is a deficient number, since it is larger than the sum of its proper divisors (1).

118450663831 is an equidigital number, since it uses as much as digits as its factorization.

118450663831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 118450663831 in words is "one hundred eighteen billion, four hundred fifty million, six hundred sixty-three thousand, eight hundred thirty-one".