11507581752 has 32 divisors (see below), whose sum is σ = 29311768080. Its totient is φ = 3763485440.

The previous prime is 11507581747. The next prime is 11507581759. The reversal of 11507581752 is 25718570511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11507581759) 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 7 ways as a sum of consecutive naturals, for example, 4522149 + ... + 4524692.

Almost surely, 2^11507581752 is an apocalyptic number.

11507581752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11507581752 is an abundant number, since it is smaller than the sum of its proper divisors (17804186328).

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

11507581752 is a wasteful number, since it uses less digits than its factorization.

11507581752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046903 (or 9046899 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 42.

The spelling of 11507581752 in words is "eleven billion, five hundred seven million, five hundred eighty-one thousand, seven hundred fifty-two".