13572150538 has 8 divisors (see below), whose sum is σ = 20603505888. Its totient is φ = 6704315244.

The previous prime is 13572150533. The next prime is 13572150577. The reversal of 13572150538 is 83505127531.

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

It is a super-2 number, since 2×13572150538² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13572150538.

It is not an unprimeable number, because it can be changed into a prime (13572150533) 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, 40879806 + ... + 40880137.

It is an arithmetic number, because the mean of its divisors is an integer number (2575438236).

Almost surely, 2^13572150538 is an apocalyptic number.

13572150538 is a deficient number, since it is larger than the sum of its proper divisors (7031355350).

13572150538 is an equidigital number, since it uses as much as digits as its factorization.

13572150538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81760028.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 13572150538 in words is "thirteen billion, five hundred seventy-two million, one hundred fifty thousand, five hundred thirty-eight".