11745613772 has 24 divisors (see below), whose sum is σ = 20998064640. Its totient is φ = 5746237200.

The previous prime is 11745613753. The next prime is 11745613783. The reversal of 11745613772 is 27731654711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924479 + ... + 937097.

It is an arithmetic number, because the mean of its divisors is an integer number (874919360).

Almost surely, 2^11745613772 is an apocalyptic number.

It is an amenable number.

11745613772 is a deficient number, since it is larger than the sum of its proper divisors (9252450868).

11745613772 is a wasteful number, since it uses less digits than its factorization.

11745613772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17621 (or 17619 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The spelling of 11745613772 in words is "eleven billion, seven hundred forty-five million, six hundred thirteen thousand, seven hundred seventy-two".