11942231328 has 96 divisors (see below), whose sum is σ = 34961673600. Its totient is φ = 3965868288.

The previous prime is 11942231321. The next prime is 11942231341. The reversal of 11942231328 is 82313224911.

11942231328 is a `hidden beast` number, since 11 + 94 + 2 + 231 + 328 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11942231292 and 11942231301.

It is not an unprimeable number, because it can be changed into a prime (11942231321) 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, 206725 + ... + 258107.

It is an arithmetic number, because the mean of its divisors is an integer number (364184100).

Almost surely, 2^11942231328 is an apocalyptic number.

11942231328 is a gapful number since it is divisible by the number (18) 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 11942231328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17480836800).

11942231328 is an abundant number, since it is smaller than the sum of its proper divisors (23019442272).

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

11942231328 is a wasteful number, since it uses less digits than its factorization.

11942231328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51671 (or 51657 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 11942231328 in words is "eleven billion, nine hundred forty-two million, two hundred thirty-one thousand, three hundred twenty-eight".