11431052041505 has 4 divisors (see below), whose sum is σ = 13717262449812. Its totient is φ = 9144841633200.

The previous prime is 11431052041499. The next prime is 11431052041523. The reversal of 11431052041505 is 50514025013411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4093042858129 + 7338009183376 = 2023127^2 + 2708876^2 .

It is not a de Polignac number, because 11431052041505 - 2²⁴ = 11431035264289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143105204146 + ... + 1143105204155.

It is an arithmetic number, because the mean of its divisors is an integer number (3429315612453).

Almost surely, 2^{11431052041505} is an apocalyptic number.

It is an amenable number.

11431052041505 is a deficient number, since it is larger than the sum of its proper divisors (2286210408307).

11431052041505 is an equidigital number, since it uses as much as digits as its factorization.

11431052041505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286210408306.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 11431052041505 its reverse (50514025013411), we get a palindrome (61945077054916).

The spelling of 11431052041505 in words is "eleven trillion, four hundred thirty-one billion, fifty-two million, forty-one thousand, five hundred five".