15072162907 has 4 divisors (see below), whose sum is σ = 15092449200. Its totient is φ = 15051876616.

The previous prime is 15072162901. The next prime is 15072162929. The reversal of 15072162907 is 70926127051.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15072162907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15072162907.

It is not an unprimeable number, because it can be changed into a prime (15072162901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10142032 + ... + 10143517.

It is an arithmetic number, because the mean of its divisors is an integer number (3773112300).

Almost surely, 2^15072162907 is an apocalyptic number.

15072162907 is a deficient number, since it is larger than the sum of its proper divisors (20286293).

15072162907 is an equidigital number, since it uses as much as digits as its factorization.

15072162907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20286292.

The product of its (nonzero) digits is 52920, while the sum is 40.

Adding to 15072162907 its reverse (70926127051), we get a palindrome (85998289958).

The spelling of 15072162907 in words is "fifteen billion, seventy-two million, one hundred sixty-two thousand, nine hundred seven".