361131426531277 has 2 divisors, whose sum is σ = 361131426531278. Its totient is φ = 361131426531276.

The previous prime is 361131426531259. The next prime is 361131426531299. The reversal of 361131426531277 is 772135624131163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335102716367721 + 26028710163556 = 18305811^2 + 5101834^2 .

It is an emirp because it is prime and its reverse (772135624131163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361131426531277 - 2³¹ = 361129279047629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361131426571277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180565713265638 + 180565713265639.

It is an arithmetic number, because the mean of its divisors is an integer number (180565713265639).

Almost surely, 2^{361131426531277} is an apocalyptic number.

It is an amenable number.

361131426531277 is a deficient number, since it is larger than the sum of its proper divisors (1).

361131426531277 is an equidigital number, since it uses as much as digits as its factorization.

361131426531277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 52.

The spelling of 361131426531277 in words is "three hundred sixty-one trillion, one hundred thirty-one billion, four hundred twenty-six million, five hundred thirty-one thousand, two hundred seventy-seven".