11914900728 has 32 divisors (see below), whose sum is σ = 30592314960. Its totient is φ = 3864291840.

The previous prime is 11914900717. The next prime is 11914900733. The reversal of 11914900728 is 82700941911.

It is a self number, because there is not a number n which added to its sum of digits gives 11914900728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6707953 + ... + 6709728.

Almost surely, 2^11914900728 is an apocalyptic number.

It is an amenable number.

11914900728 is an abundant number, since it is smaller than the sum of its proper divisors (18677414232).

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

11914900728 is a wasteful number, since it uses less digits than its factorization.

11914900728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13417727 (or 13417723 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 11914900728 in words is "eleven billion, nine hundred fourteen million, nine hundred thousand, seven hundred twenty-eight".