15012788798 has 32 divisors (see below), whose sum is σ = 26373594816. Its totient is φ = 6276112128.

The previous prime is 15012788797. The next prime is 15012788809. The reversal of 15012788798 is 89788721051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15012788797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69890 + ... + 186842.

It is an arithmetic number, because the mean of its divisors is an integer number (824174838).

Almost surely, 2^15012788798 is an apocalyptic number.

15012788798 is a deficient number, since it is larger than the sum of its proper divisors (11360806018).

15012788798 is a wasteful number, since it uses less digits than its factorization.

15012788798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117188.

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 15012788798 in words is "fifteen billion, twelve million, seven hundred eighty-eight thousand, seven hundred ninety-eight".