15055091 has 2 divisors, whose sum is σ = 15055092. Its totient is φ = 15055090.

The previous prime is 15055069. The next prime is 15055093. The reversal of 15055091 is 19055051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15055091 - 2¹⁴ = 15038707 is a prime.

Together with 15055093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15055091.

It is not a weakly prime, because it can be changed into another prime (15055093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527545 + 7527546.

It is an arithmetic number, because the mean of its divisors is an integer number (7527546).

Almost surely, 2^15055091 is an apocalyptic number.

15055091 is a deficient number, since it is larger than the sum of its proper divisors (1).

15055091 is an equidigital number, since it uses as much as digits as its factorization.

15055091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 15055091 is about 3880.0890453700. The cubic root of 15055091 is about 246.9227631989.

The spelling of 15055091 in words is "fifteen million, fifty-five thousand, ninety-one".