11781725976 has 48 divisors (see below), whose sum is σ = 32009562000. Its totient is φ = 3914845632.

The previous prime is 11781725971. The next prime is 11781725983. The reversal of 11781725976 is 67952718711.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11781725971) 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, 235276 + ... + 280923.

It is an arithmetic number, because the mean of its divisors is an integer number (666865875).

Almost surely, 2^11781725976 is an apocalyptic number.

It is an amenable number.

11781725976 is an abundant number, since it is smaller than the sum of its proper divisors (20227836024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11781725976 is a wasteful number, since it uses less digits than its factorization.

11781725976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516528 (or 516521 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 54.

The spelling of 11781725976 in words is "eleven billion, seven hundred eighty-one million, seven hundred twenty-five thousand, nine hundred seventy-six".