1081740521023 has 2 divisors, whose sum is σ = 1081740521024. Its totient is φ = 1081740521022.

The previous prime is 1081740520963. The next prime is 1081740521039. The reversal of 1081740521023 is 3201250471801.

It is a strong prime.

It is an emirp because it is prime and its reverse (3201250471801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081740521023 - 2²⁵ = 1081706966591 is a prime.

It is a super-2 number, since 2×1081740521023² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1081740521023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081740521423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540870260511 + 540870260512.

It is an arithmetic number, because the mean of its divisors is an integer number (540870260512).

Almost surely, 2^{1081740521023} is an apocalyptic number.

1081740521023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081740521023 is an equidigital number, since it uses as much as digits as its factorization.

1081740521023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 1081740521023 its reverse (3201250471801), we get a palindrome (4282990992824).

The spelling of 1081740521023 in words is "one trillion, eighty-one billion, seven hundred forty million, five hundred twenty-one thousand, twenty-three".