10115101999 has 2 divisors, whose sum is σ = 10115102000. Its totient is φ = 10115101998.

The previous prime is 10115101981. The next prime is 10115102057. The reversal of 10115101999 is 99910151101.

10115101999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10115101999 - 2²⁹ = 9578231087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10115101939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057550999 + 5057551000.

It is an arithmetic number, because the mean of its divisors is an integer number (5057551000).

Almost surely, 2^10115101999 is an apocalyptic number.

10115101999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115101999 is an equidigital number, since it uses as much as digits as its factorization.

10115101999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 37.

The spelling of 10115101999 in words is "ten billion, one hundred fifteen million, one hundred one thousand, nine hundred ninety-nine".