11903879211 has 16 divisors (see below), whose sum is σ = 18143628288. Its totient is φ = 6800572800.

The previous prime is 11903879203. The next prime is 11903879231. The reversal of 11903879211 is 11297830911.

It is not a de Polignac number, because 11903879211 - 2³ = 11903879203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11903879201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23331 + ... + 156051.

It is an arithmetic number, because the mean of its divisors is an integer number (1133976768).

Almost surely, 2^11903879211 is an apocalyptic number.

11903879211 is a deficient number, since it is larger than the sum of its proper divisors (6239749077).

11903879211 is a wasteful number, since it uses less digits than its factorization.

11903879211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137002.

The product of its (nonzero) digits is 27216, while the sum is 42.

The spelling of 11903879211 in words is "eleven billion, nine hundred three million, eight hundred seventy-nine thousand, two hundred eleven".