11563813725 has 36 divisors (see below), whose sum is σ = 20178101376. Its totient is φ = 5842755360.

The previous prime is 11563813693. The next prime is 11563813739. The reversal of 11563813725 is 52731836511.

11563813725 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 11563813725 - 2⁵ = 11563813693 is a prime.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 186477 + ... + 240626.

It is an arithmetic number, because the mean of its divisors is an integer number (560502816).

Almost surely, 2^11563813725 is an apocalyptic number.

11563813725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11563813725 is a deficient number, since it is larger than the sum of its proper divisors (8614287651).

11563813725 is a wasteful number, since it uses less digits than its factorization.

11563813725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427154 (or 427130 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The spelling of 11563813725 in words is "eleven billion, five hundred sixty-three million, eight hundred thirteen thousand, seven hundred twenty-five".