118258310503 has 2 divisors, whose sum is σ = 118258310504. Its totient is φ = 118258310502.

The previous prime is 118258310483. The next prime is 118258310507. The reversal of 118258310503 is 305013852811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118258310503 - 2²⁵ = 118224756071 is a prime.

It is a super-2 number, since 2×118258310503² (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 (118258310507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59129155251 + 59129155252.

It is an arithmetic number, because the mean of its divisors is an integer number (59129155252).

Almost surely, 2^118258310503 is an apocalyptic number.

118258310503 is a deficient number, since it is larger than the sum of its proper divisors (1).

118258310503 is an equidigital number, since it uses as much as digits as its factorization.

118258310503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 118258310503 in words is "one hundred eighteen billion, two hundred fifty-eight million, three hundred ten thousand, five hundred three".