11332987540 has 48 divisors (see below), whose sum is σ = 27754272000. Its totient is φ = 3885593376.

The previous prime is 11332987511. The next prime is 11332987543. The reversal of 11332987540 is 4578923311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332987543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 819160 + ... + 832879.

It is an arithmetic number, because the mean of its divisors is an integer number (578214000).

Almost surely, 2^11332987540 is an apocalyptic number.

11332987540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11332987540 is an abundant number, since it is smaller than the sum of its proper divisors (16421284460).

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

11332987540 is a wasteful number, since it uses less digits than its factorization.

11332987540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652069 (or 1652053 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 11332987540 in words is "eleven billion, three hundred thirty-two million, nine hundred eighty-seven thousand, five hundred forty".