11442587456 has 28 divisors (see below), whose sum is σ = 22800632580. Its totient is φ = 5697546240.

The previous prime is 11442587437. The next prime is 11442587473. The reversal of 11442587456 is 65478524411.

It can be written as a sum of positive squares in 2 ways, for example, as 6928897600 + 4513689856 = 83240^2 + 67184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11442587456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355511 + ... + 386358.

Almost surely, 2^11442587456 is an apocalyptic number.

11442587456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11442587456 is a deficient number, since it is larger than the sum of its proper divisors (11358045124).

11442587456 is an equidigital number, since it uses as much as digits as its factorization.

11442587456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742122 (or 742112 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The spelling of 11442587456 in words is "eleven billion, four hundred forty-two million, five hundred eighty-seven thousand, four hundred fifty-six".