11538026496 has 78 divisors (see below), whose sum is σ = 33328114170. Its totient is φ = 3845996544.

The previous prime is 11538026473. The next prime is 11538026501. The reversal of 11538026496 is 69462083511.

11538026496 is a `hidden beast` number, since 1 + 1 + 5 + 380 + 264 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10472656896 + 1065369600 = 102336^2 + 32640^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119631 + ... + 193358.

It is an arithmetic number, because the mean of its divisors is an integer number (427283515).

Almost surely, 2^11538026496 is an apocalyptic number.

11538026496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11538026496 is an abundant number, since it is smaller than the sum of its proper divisors (21790087674).

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

11538026496 is an equidigital number, since it uses as much as digits as its factorization.

11538026496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313019 (or 312994 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 11538026496 in words is "eleven billion, five hundred thirty-eight million, twenty-six thousand, four hundred ninety-six".