11433391211 has 8 divisors (see below), whose sum is σ = 12473569344. Its totient is φ = 10393342920.

The previous prime is 11433391199. The next prime is 11433391213. The reversal of 11433391211 is 11219333411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11433391211 - 2³⁰ = 10359649387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11433391213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297860 + ... + 334046.

It is an arithmetic number, because the mean of its divisors is an integer number (1559196168).

Almost surely, 2^11433391211 is an apocalyptic number.

11433391211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11433391211 is a deficient number, since it is larger than the sum of its proper divisors (1040178133).

11433391211 is a wasteful number, since it uses less digits than its factorization.

11433391211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64921.

The product of its digits is 1944, while the sum is 29.

The spelling of 11433391211 in words is "eleven billion, four hundred thirty-three million, three hundred ninety-one thousand, two hundred eleven".