11898934791 has 4 divisors (see below), whose sum is σ = 15865246392. Its totient is φ = 7932623192.

The previous prime is 11898934777. The next prime is 11898934819. The reversal of 11898934791 is 19743989811.

11898934791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11898934791 - 2⁶ = 11898934727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898934721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983155796 + ... + 1983155801.

It is an arithmetic number, because the mean of its divisors is an integer number (3966311598).

Almost surely, 2^11898934791 is an apocalyptic number.

11898934791 is a deficient number, since it is larger than the sum of its proper divisors (3966311601).

11898934791 is an equidigital number, since it uses as much as digits as its factorization.

11898934791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966311600.

The product of its digits is 3919104, while the sum is 60.

The spelling of 11898934791 in words is "eleven billion, eight hundred ninety-eight million, nine hundred thirty-four thousand, seven hundred ninety-one".