11601372818653 has 2 divisors, whose sum is σ = 11601372818654. Its totient is φ = 11601372818652.

The previous prime is 11601372818507. The next prime is 11601372818699. The reversal of 11601372818653 is 35681827310611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10540528437924 + 1060844380729 = 3246618^2 + 1029973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11601372818653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11601372818653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11601372818953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5800686409326 + 5800686409327.

It is an arithmetic number, because the mean of its divisors is an integer number (5800686409327).

Almost surely, 2^{11601372818653} is an apocalyptic number.

It is an amenable number.

11601372818653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11601372818653 is an equidigital number, since it uses as much as digits as its factorization.

11601372818653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 11601372818653 in words is "eleven trillion, six hundred one billion, three hundred seventy-two million, eight hundred eighteen thousand, six hundred fifty-three".