11900339628 has 12 divisors (see below), whose sum is σ = 27767459160. Its totient is φ = 3966779872.

The previous prime is 11900339621. The next prime is 11900339639. The reversal of 11900339628 is 82693300911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11900339628.

It is not an unprimeable number, because it can be changed into a prime (11900339621) 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, 495847473 + ... + 495847496.

It is an arithmetic number, because the mean of its divisors is an integer number (2313954930).

Almost surely, 2^11900339628 is an apocalyptic number.

It is an amenable number.

11900339628 is an abundant number, since it is smaller than the sum of its proper divisors (15867119532).

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

11900339628 is a wasteful number, since it uses less digits than its factorization.

11900339628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991694976 (or 991694974 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 11900339628 in words is "eleven billion, nine hundred million, three hundred thirty-nine thousand, six hundred twenty-eight".