1131505724679 has 16 divisors (see below), whose sum is σ = 1717384184064. Its totient is φ = 655945347200.

The previous prime is 1131505724651. The next prime is 1131505724683. The reversal of 1131505724679 is 9764275051311.

It is not a de Polignac number, because 1131505724679 - 2¹³ = 1131505716487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131505724639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745391682 + ... + 745393199.

It is an arithmetic number, because the mean of its divisors is an integer number (107336511504).

Almost surely, 2^{1131505724679} is an apocalyptic number.

1131505724679 is a deficient number, since it is larger than the sum of its proper divisors (585878459385).

1131505724679 is a wasteful number, since it uses less digits than its factorization.

1131505724679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490784918.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 1131505724679 in words is "one trillion, one hundred thirty-one billion, five hundred five million, seven hundred twenty-four thousand, six hundred seventy-nine".