11452645544 has 16 divisors (see below), whose sum is σ = 22736870100. Its totient is φ = 5389480192.

The previous prime is 11452645543. The next prime is 11452645619. The reversal of 11452645544 is 44554625411.

It can be written as a sum of positive squares in 2 ways, for example, as 11227945444 + 224700100 = 105962^2 + 14990^2 .

It is not an unprimeable number, because it can be changed into a prime (11452645543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42105179 + ... + 42105450.

Almost surely, 2^11452645544 is an apocalyptic number.

It is an amenable number.

11452645544 is a deficient number, since it is larger than the sum of its proper divisors (11284224556).

11452645544 is a wasteful number, since it uses less digits than its factorization.

11452645544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84210652 (or 84210648 counting only the distinct ones).

The product of its digits is 384000, while the sum is 41.

The spelling of 11452645544 in words is "eleven billion, four hundred fifty-two million, six hundred forty-five thousand, five hundred forty-four".