11161353137497 has 2 divisors, whose sum is σ = 11161353137498. Its totient is φ = 11161353137496.

The previous prime is 11161353137471. The next prime is 11161353137551. The reversal of 11161353137497 is 79473135316111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10331730918601 + 829622218896 = 3214301^2 + 910836^2 .

It is a cyclic number.

It is not a de Polignac number, because 11161353137497 - 2²³ = 11161344748889 is a prime.

It is not a weakly prime, because it can be changed into another prime (11161353137797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580676568748 + 5580676568749.

It is an arithmetic number, because the mean of its divisors is an integer number (5580676568749).

Almost surely, 2^{11161353137497} is an apocalyptic number.

It is an amenable number.

11161353137497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161353137497 is an equidigital number, since it uses as much as digits as its factorization.

11161353137497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 52.

The spelling of 11161353137497 in words is "eleven trillion, one hundred sixty-one billion, three hundred fifty-three million, one hundred thirty-seven thousand, four hundred ninety-seven".