15114242015 has 4 divisors (see below), whose sum is σ = 18137090424. Its totient is φ = 12091393608.

The previous prime is 15114241997. The next prime is 15114242029. The reversal of 15114242015 is 51024241151.

It is a happy number.

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 15114242015 - 2¹⁴ = 15114225631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511424197 + ... + 1511424206.

It is an arithmetic number, because the mean of its divisors is an integer number (4534272606).

Almost surely, 2^15114242015 is an apocalyptic number.

15114242015 is a deficient number, since it is larger than the sum of its proper divisors (3022848409).

15114242015 is an equidigital number, since it uses as much as digits as its factorization.

15114242015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022848408.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 15114242015 its reverse (51024241151), we get a palindrome (66138483166).

The spelling of 15114242015 in words is "fifteen billion, one hundred fourteen million, two hundred forty-two thousand, fifteen".