15252251245 has 32 divisors (see below), whose sum is σ = 22897002240. Its totient is φ = 9475376640.

The previous prime is 15252251243. The next prime is 15252251281. The reversal of 15252251245 is 54215225251.

It is not a de Polignac number, because 15252251245 - 2¹ = 15252251243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15252251245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15252251243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45201 + ... + 180409.

It is an arithmetic number, because the mean of its divisors is an integer number (715531320).

Almost surely, 2^15252251245 is an apocalyptic number.

It is an amenable number.

15252251245 is a deficient number, since it is larger than the sum of its proper divisors (7644750995).

15252251245 is a wasteful number, since it uses less digits than its factorization.

15252251245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135525.

The product of its digits is 40000, while the sum is 34.

Adding to 15252251245 its reverse (54215225251), we get a palindrome (69467476496).

The spelling of 15252251245 in words is "fifteen billion, two hundred fifty-two million, two hundred fifty-one thousand, two hundred forty-five".