15213124253 has 8 divisors (see below), whose sum is σ = 15298357080. Its totient is φ = 15128055360.

The previous prime is 15213124177. The next prime is 15213124273. The reversal of 15213124253 is 35242131251.

It can be written as a sum of positive squares in 4 ways, for example, as 1368778009 + 13844346244 = 36997^2 + 117662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15213124253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15213124273) 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 7 ways as a sum of consecutive naturals, for example, 147551 + ... + 228467.

It is an arithmetic number, because the mean of its divisors is an integer number (1912294635).

Almost surely, 2^15213124253 is an apocalyptic number.

It is an amenable number.

15213124253 is a deficient number, since it is larger than the sum of its proper divisors (85232827).

15213124253 is an equidigital number, since it uses as much as digits as its factorization.

15213124253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81967.

The product of its digits is 7200, while the sum is 29.

The spelling of 15213124253 in words is "fifteen billion, two hundred thirteen million, one hundred twenty-four thousand, two hundred fifty-three".