11431113425 has 12 divisors (see below), whose sum is σ = 14663360220. Its totient is φ = 8829549120.

The previous prime is 11431113401. The next prime is 11431113433. The reversal of 11431113425 is 52431113411.

11431113425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 82369 + 11431031056 = 287^2 + 106916^2 .

It is not a de Polignac number, because 11431113425 - 2¹² = 11431109329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11431113394 and 11431113403.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7882802 + ... + 7884251.

It is an arithmetic number, because the mean of its divisors is an integer number (1221946685).

Almost surely, 2^11431113425 is an apocalyptic number.

It is an amenable number.

11431113425 is a deficient number, since it is larger than the sum of its proper divisors (3232246795).

11431113425 is a wasteful number, since it uses less digits than its factorization.

11431113425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15767092 (or 15767087 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

Adding to 11431113425 its reverse (52431113411), we get a palindrome (63862226836).

The spelling of 11431113425 in words is "eleven billion, four hundred thirty-one million, one hundred thirteen thousand, four hundred twenty-five".