11722733776 has 40 divisors (see below), whose sum is σ = 25056536904. Its totient is φ = 5278525440.

The previous prime is 11722733761. The next prime is 11722733797. The reversal of 11722733776 is 67733722711.

It can be written as a sum of positive squares in 4 ways, for example, as 465523776 + 11257210000 = 21576^2 + 106100^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 678781 + ... + 695836.

Almost surely, 2^11722733776 is an apocalyptic number.

11722733776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11722733776 is an abundant number, since it is smaller than the sum of its proper divisors (13333803128).

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

11722733776 is a wasteful number, since it uses less digits than its factorization.

11722733776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374679 (or 1374673 counting only the distinct ones).

The product of its digits is 518616, while the sum is 46.

The spelling of 11722733776 in words is "eleven billion, seven hundred twenty-two million, seven hundred thirty-three thousand, seven hundred seventy-six".