11538210896 has 40 divisors (see below), whose sum is σ = 23692490280. Its totient is φ = 5424656384.

The previous prime is 11538210863. The next prime is 11538210899. The reversal of 11538210896 is 69801283511.

It can be written as a sum of positive squares in 4 ways, for example, as 589518400 + 10948692496 = 24280^2 + 104636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538210899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279050 + ... + 317718.

It is an arithmetic number, because the mean of its divisors is an integer number (592312257).

Almost surely, 2^11538210896 is an apocalyptic number.

11538210896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11538210896 is an abundant number, since it is smaller than the sum of its proper divisors (12154279384).

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

11538210896 is a wasteful number, since it uses less digits than its factorization.

11538210896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39791 (or 39785 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 11538210896 in words is "eleven billion, five hundred thirty-eight million, two hundred ten thousand, eight hundred ninety-six".