15005140999 has 4 divisors (see below), whose sum is σ = 15006300136. Its totient is φ = 15003981864.

The previous prime is 15005140961. The next prime is 15005141023. The reversal of 15005140999 is 99904150051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99904150051 = 8941 ⋅11173711.

It is a cyclic number.

It is not a de Polignac number, because 15005140999 - 2⁹ = 15005140487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005140919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559929 + ... + 586114.

It is an arithmetic number, because the mean of its divisors is an integer number (3751575034).

Almost surely, 2^15005140999 is an apocalyptic number.

15005140999 is a deficient number, since it is larger than the sum of its proper divisors (1159137).

15005140999 is a wasteful number, since it uses less digits than its factorization.

15005140999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159136.

The product of its (nonzero) digits is 72900, while the sum is 43.

The spelling of 15005140999 in words is "fifteen billion, five million, one hundred forty thousand, nine hundred ninety-nine".