11443693872 has 160 divisors (see below), whose sum is σ = 32315931648. Its totient is φ = 3468561408.

The previous prime is 11443693847. The next prime is 11443693883. The reversal of 11443693872 is 27839634411.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16903198 + ... + 16903874.

Almost surely, 2^11443693872 is an apocalyptic number.

11443693872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11443693872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16157965824).

11443693872 is an abundant number, since it is smaller than the sum of its proper divisors (20872237776).

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

11443693872 is a wasteful number, since it uses less digits than its factorization.

11443693872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1061 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The spelling of 11443693872 in words is "eleven billion, four hundred forty-three million, six hundred ninety-three thousand, eight hundred seventy-two".