11881343496 has 64 divisors (see below), whose sum is σ = 33812536320. Its totient is φ = 3443865920.

The previous prime is 11881343443. The next prime is 11881343497. The reversal of 11881343496 is 69434318811.

It is not an unprimeable number, because it can be changed into a prime (11881343497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972300 + ... + 984443.

It is an arithmetic number, because the mean of its divisors is an integer number (528320880).

Almost surely, 2^11881343496 is an apocalyptic number.

It is an amenable number.

11881343496 is an abundant number, since it is smaller than the sum of its proper divisors (21931192824).

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

11881343496 is a wasteful number, since it uses less digits than its factorization.

11881343496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956786 (or 1956782 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The spelling of 11881343496 in words is "eleven billion, eight hundred eighty-one million, three hundred forty-three thousand, four hundred ninety-six".