11231857328 has 20 divisors (see below), whose sum is σ = 21842033568. Its totient is φ = 5595203520.

The previous prime is 11231857327. The next prime is 11231857369. The reversal of 11231857328 is 82375813211.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11231857327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290851 + ... + 1299522.

Almost surely, 2^11231857328 is an apocalyptic number.

It is an amenable number.

11231857328 is a deficient number, since it is larger than the sum of its proper divisors (10610176240).

11231857328 is a wasteful number, since it uses less digits than its factorization.

11231857328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590652 (or 2590646 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The spelling of 11231857328 in words is "eleven billion, two hundred thirty-one million, eight hundred fifty-seven thousand, three hundred twenty-eight".