118797901919 has 2 divisors, whose sum is σ = 118797901920. Its totient is φ = 118797901918.

The previous prime is 118797901913. The next prime is 118797901949. The reversal of 118797901919 is 919109797811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118797901919 - 2³⁶ = 50078425183 is a prime.

It is a super-2 number, since 2×118797901919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118797901913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59398950959 + 59398950960.

It is an arithmetic number, because the mean of its divisors is an integer number (59398950960).

Almost surely, 2^118797901919 is an apocalyptic number.

118797901919 is a deficient number, since it is larger than the sum of its proper divisors (1).

118797901919 is an equidigital number, since it uses as much as digits as its factorization.

118797901919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 62.

The spelling of 118797901919 in words is "one hundred eighteen billion, seven hundred ninety-seven million, nine hundred one thousand, nine hundred nineteen".