11899041133 has 4 divisors (see below), whose sum is σ = 13598904160. Its totient is φ = 10199178108.

The previous prime is 11899041131. The next prime is 11899041163. The reversal of 11899041133 is 33114099811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11899041133 - 2¹ = 11899041131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899041131) 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, 849931503 + ... + 849931516.

It is an arithmetic number, because the mean of its divisors is an integer number (3399726040).

Almost surely, 2^11899041133 is an apocalyptic number.

It is an amenable number.

11899041133 is a deficient number, since it is larger than the sum of its proper divisors (1699863027).

11899041133 is an equidigital number, since it uses as much as digits as its factorization.

11899041133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699863026.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 11899041133 in words is "eleven billion, eight hundred ninety-nine million, forty-one thousand, one hundred thirty-three".