1355773551631 has 2 divisors, whose sum is σ = 1355773551632. Its totient is φ = 1355773551630.

The previous prime is 1355773551571. The next prime is 1355773551637. The reversal of 1355773551631 is 1361553775531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355773551631 - 2¹⁵ = 1355773518863 is a prime.

It is a super-2 number, since 2×1355773551631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355773551637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677886775815 + 677886775816.

It is an arithmetic number, because the mean of its divisors is an integer number (677886775816).

Almost surely, 2^{1355773551631} is an apocalyptic number.

1355773551631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355773551631 is an equidigital number, since it uses as much as digits as its factorization.

1355773551631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4961250, while the sum is 52.

The spelling of 1355773551631 in words is "one trillion, three hundred fifty-five billion, seven hundred seventy-three million, five hundred fifty-one thousand, six hundred thirty-one".