11725576775 has 12 divisors (see below), whose sum is σ = 15861507864. Its totient is φ = 8527692000.

The previous prime is 11725576771. The next prime is 11725576783. The reversal of 11725576775 is 57767552711.

It is a happy number.

It is not a de Polignac number, because 11725576775 - 2² = 11725576771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725576771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21318956 + ... + 21319505.

It is an arithmetic number, because the mean of its divisors is an integer number (1321792322).

Almost surely, 2^11725576775 is an apocalyptic number.

11725576775 is a deficient number, since it is larger than the sum of its proper divisors (4135931089).

11725576775 is a wasteful number, since it uses less digits than its factorization.

11725576775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42638482 (or 42638477 counting only the distinct ones).

The product of its digits is 3601500, while the sum is 53.

The spelling of 11725576775 in words is "eleven billion, seven hundred twenty-five million, five hundred seventy-six thousand, seven hundred seventy-five".