11858128320 has 112 divisors (see below), whose sum is σ = 39864292128. Its totient is φ = 2976153600.

The previous prime is 11858128313. The next prime is 11858128343. The reversal of 11858128320 is 2382185811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346981 + ... + 379620.

Almost surely, 2^11858128320 is an apocalyptic number.

11858128320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11858128320 is an abundant number, since it is smaller than the sum of its proper divisors (28006163808).

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

11858128320 is a wasteful number, since it uses less digits than its factorization.

11858128320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726638 (or 726628 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 11858128320 in words is "eleven billion, eight hundred fifty-eight million, one hundred twenty-eight thousand, three hundred twenty".