11444391297936 has 75 divisors (see below), whose sum is σ = 33123741191563. Its totient is φ = 3814756503840.

The previous prime is 11444391297863. The next prime is 11444391297949. The reversal of 11444391297936 is 63979219344411.

The square root of 11444391297936 is 3382956.

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

11444391297936 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 439 + 129 + 79 + 3 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 121739431 + ... + 121833401.

Almost surely, 2^{11444391297936} is an apocalyptic number.

11444391297936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11444391297936 is the 3382956-th square number.

It is an amenable number.

11444391297936 is an abundant number, since it is smaller than the sum of its proper divisors (21679349893627).

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

11444391297936 is an frugal number, since it uses more digits than its factorization.

11444391297936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187962 (or 93976 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 11444391297936 in words is "eleven trillion, four hundred forty-four billion, three hundred ninety-one million, two hundred ninety-seven thousand, nine hundred thirty-six".