118637155963 has 2 divisors, whose sum is σ = 118637155964. Its totient is φ = 118637155962.

The previous prime is 118637155939. The next prime is 118637155981. The reversal of 118637155963 is 369551736811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118637155963 is a prime.

It is not a weakly prime, because it can be changed into another prime (118637155913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59318577981 + 59318577982.

It is an arithmetic number, because the mean of its divisors is an integer number (59318577982).

Almost surely, 2^118637155963 is an apocalyptic number.

118637155963 is a deficient number, since it is larger than the sum of its proper divisors (1).

118637155963 is an equidigital number, since it uses as much as digits as its factorization.

118637155963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 55.

The spelling of 118637155963 in words is "one hundred eighteen billion, six hundred thirty-seven million, one hundred fifty-five thousand, nine hundred sixty-three".