11237180928 has 80 divisors (see below), whose sum is σ = 30094073856. Its totient is φ = 3726018560.

The previous prime is 11237180879. The next prime is 11237180939. The reversal of 11237180928 is 82908173211.

It is a self number, because there is not a number n which added to its sum of digits gives 11237180928.

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, 274225 + ... + 312527.

Almost surely, 2^11237180928 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 11237180928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15047036928).

11237180928 is an abundant number, since it is smaller than the sum of its proper divisors (18856892928).

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

11237180928 is an equidigital number, since it uses as much as digits as its factorization.

11237180928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38515 (or 38499 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 11237180928 in words is "eleven billion, two hundred thirty-seven million, one hundred eighty thousand, nine hundred twenty-eight".