11431126605425 has 12 divisors (see below), whose sum is σ = 14374239204096. Its totient is φ = 9016099856400.

The previous prime is 11431126605389. The next prime is 11431126605427. The reversal of 11431126605425 is 52450662113411.

11431126605425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11431126605425 - 2⁸ = 11431126605169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11431126605427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3220033889 + ... + 3220037438.

It is an arithmetic number, because the mean of its divisors is an integer number (1197853267008).

Almost surely, 2^{11431126605425} is an apocalyptic number.

It is an amenable number.

11431126605425 is a deficient number, since it is larger than the sum of its proper divisors (2943112598671).

11431126605425 is an equidigital number, since it uses as much as digits as its factorization.

11431126605425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440071408 (or 6440071403 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

Adding to 11431126605425 its reverse (52450662113411), we get a palindrome (63881788718836).

The spelling of 11431126605425 in words is "eleven trillion, four hundred thirty-one billion, one hundred twenty-six million, six hundred five thousand, four hundred twenty-five".