11526794640 has 80 divisors (see below), whose sum is σ = 39703411200. Its totient is φ = 3073811328.

The previous prime is 11526794627. The next prime is 11526794651. The reversal of 11526794640 is 4649762511.

11526794640 is a `hidden beast` number, since 11 + 526 + 79 + 4 + 6 + 40 = 666.

11526794640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 15 ways as a sum of consecutive naturals, for example, 2666080 + ... + 2670399.

It is an arithmetic number, because the mean of its divisors is an integer number (496292640).

Almost surely, 2^11526794640 is an apocalyptic number.

11526794640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11526794640 is an abundant number, since it is smaller than the sum of its proper divisors (28176616560).

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

11526794640 is a wasteful number, since it uses less digits than its factorization.

11526794640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336501 (or 5336489 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 11526794640 in words is "eleven billion, five hundred twenty-six million, seven hundred ninety-four thousand, six hundred forty".