15028816345 has 16 divisors (see below), whose sum is σ = 18282911760. Its totient is φ = 11858176000.

The previous prime is 15028816343. The next prime is 15028816373. The reversal of 15028816345 is 54361882051.

It can be written as a sum of positive squares in 8 ways, for example, as 2970141001 + 12058675344 = 54499^2 + 109812^2 .

It is not a de Polignac number, because 15028816345 - 2¹ = 15028816343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15028816343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136335 + ... + 220555.

It is an arithmetic number, because the mean of its divisors is an integer number (1142681985).

Almost surely, 2^15028816345 is an apocalyptic number.

It is an amenable number.

15028816345 is a deficient number, since it is larger than the sum of its proper divisors (3254095415).

15028816345 is an equidigital number, since it uses as much as digits as its factorization.

15028816345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84716.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 15028816345 in words is "fifteen billion, twenty-eight million, eight hundred sixteen thousand, three hundred forty-five".