1355562515023 has 2 divisors, whose sum is σ = 1355562515024. Its totient is φ = 1355562515022.

The previous prime is 1355562514961. The next prime is 1355562515063. The reversal of 1355562515023 is 3205152655531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355562515023 is a prime.

It is a super-2 number, since 2×1355562515023² (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 (1355562515063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677781257511 + 677781257512.

It is an arithmetic number, because the mean of its divisors is an integer number (677781257512).

Almost surely, 2^{1355562515023} is an apocalyptic number.

1355562515023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355562515023 is an equidigital number, since it uses as much as digits as its factorization.

1355562515023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 1355562515023 in words is "one trillion, three hundred fifty-five billion, five hundred sixty-two million, five hundred fifteen thousand, twenty-three".