15040213799 has 4 divisors (see below), whose sum is σ = 16197153336. Its totient is φ = 13883274264.

The previous prime is 15040213789. The next prime is 15040213823. The reversal of 15040213799 is 99731204051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15040213799 - 2²⁰ = 15039165223 is a prime.

It is a super-2 number, since 2×15040213799² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040213789) 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, 578469749 + ... + 578469774.

It is an arithmetic number, because the mean of its divisors is an integer number (4049288334).

Almost surely, 2^15040213799 is an apocalyptic number.

15040213799 is a deficient number, since it is larger than the sum of its proper divisors (1156939537).

15040213799 is a wasteful number, since it uses less digits than its factorization.

15040213799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156939536.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 15040213799 in words is "fifteen billion, forty million, two hundred thirteen thousand, seven hundred ninety-nine".