15011245345 has 4 divisors (see below), whose sum is σ = 18013494420. Its totient is φ = 12008996272.

The previous prime is 15011245309. The next prime is 15011245349. The reversal of 15011245345 is 54354211051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54354211051 = 7 ⋅7764887293.

It can be written as a sum of positive squares in 2 ways, for example, as 6402560256 + 8608685089 = 80016^2 + 92783^2 .

It is a cyclic number.

It is not a de Polignac number, because 15011245345 - 2³¹ = 12863761697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15011245349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501124530 + ... + 1501124539.

It is an arithmetic number, because the mean of its divisors is an integer number (4503373605).

Almost surely, 2^15011245345 is an apocalyptic number.

It is an amenable number.

15011245345 is a deficient number, since it is larger than the sum of its proper divisors (3002249075).

15011245345 is an equidigital number, since it uses as much as digits as its factorization.

15011245345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002249074.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 15011245345 its reverse (54354211051), we get a palindrome (69365456396).

The spelling of 15011245345 in words is "fifteen billion, eleven million, two hundred forty-five thousand, three hundred forty-five".