11556310044481 has 8 divisors (see below), whose sum is σ = 12253800805344. Its totient is φ = 10860786818880.

The previous prime is 11556310044443. The next prime is 11556310044497. The reversal of 11556310044481 is 18444001365511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11556310044481 - 2¹⁹ = 11556309520193 is a prime.

It is a super-2 number, since 2×11556310044481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11556310644481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491871715 + ... + 491895208.

It is an arithmetic number, because the mean of its divisors is an integer number (1531725100668).

Almost surely, 2^{11556310044481} is an apocalyptic number.

It is an amenable number.

11556310044481 is a deficient number, since it is larger than the sum of its proper divisors (697490760863).

11556310044481 is an equidigital number, since it uses as much as digits as its factorization.

11556310044481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983767631.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 11556310044481 in words is "eleven trillion, five hundred fifty-six billion, three hundred ten million, forty-four thousand, four hundred eighty-one".