11532101440 has 28 divisors (see below), whose sum is σ = 27460817316. Its totient is φ = 4612840448.

The previous prime is 11532101437. The next prime is 11532101519. The reversal of 11532101440 is 4410123511.

It can be written as a sum of positive squares in 2 ways, for example, as 7086945856 + 4445155584 = 84184^2 + 66672^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18018589 + ... + 18019228.

Almost surely, 2^11532101440 is an apocalyptic number.

11532101440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532101440 is an abundant number, since it is smaller than the sum of its proper divisors (15928715876).

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

11532101440 is an equidigital number, since it uses as much as digits as its factorization.

11532101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36037834 (or 36037824 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11532101440 its reverse (4410123511), we get a palindrome (15942224951).

The spelling of 11532101440 in words is "eleven billion, five hundred thirty-two million, one hundred one thousand, four hundred forty".