11491923720676 has 243 divisors, whose sum is σ = 24740144107497. Its totient is φ = 4657010682240.

The previous prime is 11491923720661. The next prime is 11491923720701. The reversal of 11491923720676 is 67602732919411.

It is a happy number.

The square root of 11491923720676 is 3389974.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6523375728100 + 4968547992576 = 2554090^2 + 2229024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11491923720676.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 107401156215 + ... + 107401156321.

Almost surely, 2^{11491923720676} is an apocalyptic number.

11491923720676 is the 3389974-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11491923720676

11491923720676 is an abundant number, since it is smaller than the sum of its proper divisors (13248220386821).

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

11491923720676 is an equidigital number, since it uses as much as digits as its factorization.

11491923720676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 11491923720676 in words is "eleven trillion, four hundred ninety-one billion, nine hundred twenty-three million, seven hundred twenty thousand, six hundred seventy-six".