103990375187 has 2 divisors, whose sum is σ = 103990375188. Its totient is φ = 103990375186.

The previous prime is 103990375171. The next prime is 103990375199. The reversal of 103990375187 is 781573099301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103990375187 - 2⁴ = 103990375171 is a prime.

It is not a weakly prime, because it can be changed into another prime (103990371187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51995187593 + 51995187594.

It is an arithmetic number, because the mean of its divisors is an integer number (51995187594).

Almost surely, 2^103990375187 is an apocalyptic number.

103990375187 is a deficient number, since it is larger than the sum of its proper divisors (1).

103990375187 is an equidigital number, since it uses as much as digits as its factorization.

103990375187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 103990375187 in words is "one hundred three billion, nine hundred ninety million, three hundred seventy-five thousand, one hundred eighty-seven".