11799425217 has 4 divisors (see below), whose sum is σ = 15732566960. Its totient is φ = 7866283476.

The previous prime is 11799425213. The next prime is 11799425237. The reversal of 11799425217 is 71252499711.

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 11799425217 - 2² = 11799425213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11799425213) 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, 1966570867 + ... + 1966570872.

It is an arithmetic number, because the mean of its divisors is an integer number (3933141740).

Almost surely, 2^11799425217 is an apocalyptic number.

It is an amenable number.

11799425217 is a deficient number, since it is larger than the sum of its proper divisors (3933141743).

11799425217 is an equidigital number, since it uses as much as digits as its factorization.

11799425217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933141742.

The product of its digits is 317520, while the sum is 48.

The spelling of 11799425217 in words is "eleven billion, seven hundred ninety-nine million, four hundred twenty-five thousand, two hundred seventeen".