11883557312 has 56 divisors (see below), whose sum is σ = 25953031152. Its totient is φ = 5353779200.

The previous prime is 11883557303. The next prime is 11883557327. The reversal of 11883557312 is 21375538811.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4862 + ... + 154242.

Almost surely, 2^11883557312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11883557312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12976515576).

11883557312 is an abundant number, since it is smaller than the sum of its proper divisors (14069473840).

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

11883557312 is a wasteful number, since it uses less digits than its factorization.

11883557312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149517 (or 149507 counting only the distinct ones).

The product of its digits is 201600, while the sum is 44.

The spelling of 11883557312 in words is "eleven billion, eight hundred eighty-three million, five hundred fifty-seven thousand, three hundred twelve".