11326501633540 has 12 divisors (see below), whose sum is σ = 23785653430476. Its totient is φ = 4530600653408.

The previous prime is 11326501633483. The next prime is 11326501633673. The reversal of 11326501633540 is 4533610562311.

It can be written as a sum of positive squares in 2 ways, for example, as 4973319248836 + 6353182384704 = 2230094^2 + 2520552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11326501633493 and 11326501633502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283162540819 + ... + 283162540858.

It is an arithmetic number, because the mean of its divisors is an integer number (1982137785873).

Almost surely, 2^{11326501633540} is an apocalyptic number.

11326501633540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11326501633540 is an abundant number, since it is smaller than the sum of its proper divisors (12459151796936).

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

11326501633540 is a wasteful number, since it uses less digits than its factorization.

11326501633540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566325081686 (or 566325081684 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 11326501633540 in words is "eleven trillion, three hundred twenty-six billion, five hundred one million, six hundred thirty-three thousand, five hundred forty".