118638000451 has 2 divisors, whose sum is σ = 118638000452. Its totient is φ = 118638000450.

The previous prime is 118638000427. The next prime is 118638000469. The reversal of 118638000451 is 154000836811.

118638000451 = 140614² + 140615² + ... + 140619².

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118638000451 - 2¹⁷ = 118637869379 is a prime.

It is a super-2 number, since 2×118638000451² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118638000451.

It is not a weakly prime, because it can be changed into another prime (118638000751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59319000225 + 59319000226.

It is an arithmetic number, because the mean of its divisors is an integer number (59319000226).

Almost surely, 2^118638000451 is an apocalyptic number.

118638000451 is a deficient number, since it is larger than the sum of its proper divisors (1).

118638000451 is an equidigital number, since it uses as much as digits as its factorization.

118638000451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 118638000451 in words is "one hundred eighteen billion, six hundred thirty-eight million, four hundred fifty-one", and thus it is an aban number.