11524545440 has 24 divisors (see below), whose sum is σ = 27226738980. Its totient is φ = 4609818112.

The previous prime is 11524545427. The next prime is 11524545457. The reversal of 11524545440 is 4454542511.

It can be written as a sum of positive squares in 2 ways, for example, as 11084720656 + 439824784 = 105284^2 + 20972^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11524545440.

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, 36014045 + ... + 36014364.

Almost surely, 2^11524545440 is an apocalyptic number.

11524545440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11524545440 is an abundant number, since it is smaller than the sum of its proper divisors (15702193540).

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

11524545440 is an equidigital number, since it uses as much as digits as its factorization.

11524545440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72028424 (or 72028416 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 11524545440 in words is "eleven billion, five hundred twenty-four million, five hundred forty-five thousand, four hundred forty".