11431122134475 has 48 divisors (see below), whose sum is σ = 18967756414464. Its totient is φ = 6074581440000.

The previous prime is 11431122134473. The next prime is 11431122134573. The reversal of 11431122134475 is 57443122113411.

It is not a de Polignac number, because 11431122134475 - 2¹ = 11431122134473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11431122134473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59406019 + ... + 59598131.

It is an arithmetic number, because the mean of its divisors is an integer number (395161591968).

Almost surely, 2^{11431122134475} is an apocalyptic number.

11431122134475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11431122134475 is a deficient number, since it is larger than the sum of its proper divisors (7536634279989).

11431122134475 is a wasteful number, since it uses less digits than its factorization.

11431122134475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194988 (or 194983 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

Adding to 11431122134475 its reverse (57443122113411), we get a palindrome (68874244247886).

The spelling of 11431122134475 in words is "eleven trillion, four hundred thirty-one billion, one hundred twenty-two million, one hundred thirty-four thousand, four hundred seventy-five".