13072372553 has 4 divisors (see below), whose sum is σ = 13073776020. Its totient is φ = 13070969088.

The previous prime is 13072372541. The next prime is 13072372561. The reversal of 13072372553 is 35527327031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35527327031 = 7 ⋅5075332433.

It can be written as a sum of positive squares in 2 ways, for example, as 6606926089 + 6465446464 = 81283^2 + 80408^2 .

It is a cyclic number.

It is not a de Polignac number, because 13072372553 - 2⁸ = 13072372297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13072302553) 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, 687668 + ... + 706421.

It is an arithmetic number, because the mean of its divisors is an integer number (3268444005).

Almost surely, 2^13072372553 is an apocalyptic number.

It is an amenable number.

13072372553 is a deficient number, since it is larger than the sum of its proper divisors (1403467).

13072372553 is an equidigital number, since it uses as much as digits as its factorization.

13072372553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403466.

The product of its (nonzero) digits is 132300, while the sum is 38.

Adding to 13072372553 its reverse (35527327031), we get a palindrome (48599699584).

The spelling of 13072372553 in words is "thirteen billion, seventy-two million, three hundred seventy-two thousand, five hundred fifty-three".