1311187427162 has 16 divisors (see below), whose sum is σ = 2088057209832. Its totient is φ = 615375137280.

The previous prime is 1311187427129. The next prime is 1311187427183. The reversal of 1311187427162 is 2617247811131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 952519392841 + 358668034321 = 975971^2 + 598889^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51682139 + ... + 51707502.

Almost surely, 2^{1311187427162} is an apocalyptic number.

1311187427162 is a deficient number, since it is larger than the sum of its proper divisors (776869782670).

1311187427162 is a wasteful number, since it uses less digits than its factorization.

1311187427162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103390033.

The product of its digits is 112896, while the sum is 44.

The spelling of 1311187427162 in words is "one trillion, three hundred eleven billion, one hundred eighty-seven million, four hundred twenty-seven thousand, one hundred sixty-two".