11325639537 has 8 divisors (see below), whose sum is σ = 16778725280. Its totient is φ = 7550426340.

The previous prime is 11325639473. The next prime is 11325639539. The reversal of 11325639537 is 73593652311.

11325639537 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 5 + 639 + 5 + 3 + 7 = 666.

11325639537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11325639537 - 2⁶ = 11325639473 is a prime.

It is a super-2 number, since 2×11325639537² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11325639492 and 11325639501.

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 7 ways as a sum of consecutive naturals, for example, 209734039 + ... + 209734092.

It is an arithmetic number, because the mean of its divisors is an integer number (2097340660).

Almost surely, 2^11325639537 is an apocalyptic number.

It is an amenable number.

11325639537 is a deficient number, since it is larger than the sum of its proper divisors (5453085743).

11325639537 is an equidigital number, since it uses as much as digits as its factorization.

11325639537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419468140 (or 419468134 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The spelling of 11325639537 in words is "eleven billion, three hundred twenty-five million, six hundred thirty-nine thousand, five hundred thirty-seven".