11715327540 has 96 divisors (see below), whose sum is σ = 41654511360. Its totient is φ = 2677788288.

The previous prime is 11715327539. The next prime is 11715327557. The reversal of 11715327540 is 4572351711.

11715327540 is a `hidden beast` number, since 1 + 1 + 71 + 532 + 7 + 54 + 0 = 666.

11715327540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11715327495 and 11715327504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545867 + ... + 1553426.

It is an arithmetic number, because the mean of its divisors is an integer number (433901160).

Almost surely, 2^11715327540 is an apocalyptic number.

11715327540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11715327540 is an abundant number, since it is smaller than the sum of its proper divisors (29939183820).

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

11715327540 is a wasteful number, since it uses less digits than its factorization.

11715327540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099318 (or 3099310 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 11715327540 in words is "eleven billion, seven hundred fifteen million, three hundred twenty-seven thousand, five hundred forty".