118420250899 has 2 divisors, whose sum is σ = 118420250900. Its totient is φ = 118420250898.

The previous prime is 118420250891. The next prime is 118420250957. The reversal of 118420250899 is 998052024811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118420250899 - 2³ = 118420250891 is a prime.

It is a super-2 number, since 2×118420250899² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118420250891) 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 as a sum of consecutive naturals, namely, 59210125449 + 59210125450.

It is an arithmetic number, because the mean of its divisors is an integer number (59210125450).

Almost surely, 2^118420250899 is an apocalyptic number.

118420250899 is a deficient number, since it is larger than the sum of its proper divisors (1).

118420250899 is an equidigital number, since it uses as much as digits as its factorization.

118420250899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 118420250899 in words is "one hundred eighteen billion, four hundred twenty million, two hundred fifty thousand, eight hundred ninety-nine".