15248726553 has 32 divisors (see below), whose sum is σ = 22006195200. Its totient is φ = 9363283776.

The previous prime is 15248726543. The next prime is 15248726557. The reversal of 15248726553 is 35562784251.

It is not a de Polignac number, because 15248726553 - 2⁶ = 15248726489 is a prime.

It is a super-2 number, since 2×15248726553² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (15248726557) 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, 748326 + ... + 768432.

It is an arithmetic number, because the mean of its divisors is an integer number (687693600).

Almost surely, 2^15248726553 is an apocalyptic number.

It is an amenable number.

15248726553 is a deficient number, since it is larger than the sum of its proper divisors (6757468647).

15248726553 is a wasteful number, since it uses less digits than its factorization.

15248726553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20541.

The product of its digits is 2016000, while the sum is 48.

The spelling of 15248726553 in words is "fifteen billion, two hundred forty-eight million, seven hundred twenty-six thousand, five hundred fifty-three".