11131323143977 has 2 divisors, whose sum is σ = 11131323143978. Its totient is φ = 11131323143976.

The previous prime is 11131323143951. The next prime is 11131323144041. The reversal of 11131323143977 is 77934132313111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10803290890896 + 328032253081 = 3286836^2 + 572741^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131323143977 - 2¹⁹ = 11131322619689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11131323173977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565661571988 + 5565661571989.

It is an arithmetic number, because the mean of its divisors is an integer number (5565661571989).

Almost surely, 2^{11131323143977} is an apocalyptic number.

It is an amenable number.

11131323143977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131323143977 is an equidigital number, since it uses as much as digits as its factorization.

11131323143977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The spelling of 11131323143977 in words is "eleven trillion, one hundred thirty-one billion, three hundred twenty-three million, one hundred forty-three thousand, nine hundred seventy-seven".