11325639538 has 32 divisors (see below), whose sum is σ = 17813182464. Its totient is φ = 5395218192.

The previous prime is 11325639473. The next prime is 11325639539. The reversal of 11325639538 is 83593652311.

11325639538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11325639538² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11325639539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236331 + ... + 1245457.

It is an arithmetic number, because the mean of its divisors is an integer number (556661952).

Almost surely, 2^11325639538 is an apocalyptic number.

11325639538 is a deficient number, since it is larger than the sum of its proper divisors (6487542926).

11325639538 is a wasteful number, since it uses less digits than its factorization.

11325639538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9526.

The product of its digits is 583200, while the sum is 46.

The spelling of 11325639538 in words is "eleven billion, three hundred twenty-five million, six hundred thirty-nine thousand, five hundred thirty-eight".