15012400014 has 36 divisors (see below), whose sum is σ = 33687193176. Its totient is φ = 4831572144.

The previous prime is 15012400003. The next prime is 15012400019. The reversal of 15012400014 is 41000421051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 15012400014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15012400019) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 480714 + ... + 510989.

It is an arithmetic number, because the mean of its divisors is an integer number (935755366).

Almost surely, 2^15012400014 is an apocalyptic number.

15012400014 is an abundant number, since it is smaller than the sum of its proper divisors (18674793162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15012400014 is a wasteful number, since it uses less digits than its factorization.

15012400014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991769 (or 991737 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 15012400014 its reverse (41000421051), we get a palindrome (56012821065).

The spelling of 15012400014 in words is "fifteen billion, twelve million, four hundred thousand, fourteen".