15100091 has 2 divisors, whose sum is σ = 15100092. Its totient is φ = 15100090.

The previous prime is 15100081. The next prime is 15100133. The reversal of 15100091 is 19000151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15100091 - 2⁶ = 15100027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15100051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7550045 + 7550046.

It is an arithmetic number, because the mean of its divisors is an integer number (7550046).

Almost surely, 2^15100091 is an apocalyptic number.

15100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

15100091 is an equidigital number, since it uses as much as digits as its factorization.

15100091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 15100091 is about 3885.8835546115. The cubic root of 15100091 is about 247.1685376865.

The spelling of 15100091 in words is "fifteen million, one hundred thousand, ninety-one".