11431126605477 has 16 divisors (see below), whose sum is σ = 15623227809792. Its totient is φ = 7431084869040.

The previous prime is 11431126605473. The next prime is 11431126605491. The reversal of 11431126605477 is 77450662113411.

11431126605477 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 11431126605477 - 2² = 11431126605473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431126605473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149540793 + ... + 149617214.

It is an arithmetic number, because the mean of its divisors is an integer number (976451738112).

Almost surely, 2^{11431126605477} is an apocalyptic number.

It is an amenable number.

11431126605477 is a deficient number, since it is larger than the sum of its proper divisors (4192101204315).

11431126605477 is a wasteful number, since it uses less digits than its factorization.

11431126605477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299158328.

The product of its (nonzero) digits is 846720, while the sum is 48.

Adding to 11431126605477 its reverse (77450662113411), we get a palindrome (88881788718888).

The spelling of 11431126605477 in words is "eleven trillion, four hundred thirty-one billion, one hundred twenty-six million, six hundred five thousand, four hundred seventy-seven".