11279331425 has 12 divisors (see below), whose sum is σ = 14283954816. Its totient is φ = 8831475600.

The previous prime is 11279331421. The next prime is 11279331461. The reversal of 11279331425 is 52413397211.

It is not a de Polignac number, because 11279331425 - 2² = 11279331421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11279331421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4798541 + ... + 4800890.

It is an arithmetic number, because the mean of its divisors is an integer number (1190329568).

Almost surely, 2^11279331425 is an apocalyptic number.

It is an amenable number.

11279331425 is a deficient number, since it is larger than the sum of its proper divisors (3004623391).

11279331425 is an equidigital number, since it uses as much as digits as its factorization.

11279331425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9599488 (or 9599483 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The spelling of 11279331425 in words is "eleven billion, two hundred seventy-nine million, three hundred thirty-one thousand, four hundred twenty-five".