11300087681 has 2 divisors, whose sum is σ = 11300087682. Its totient is φ = 11300087680.

The previous prime is 11300087671. The next prime is 11300087723. The reversal of 11300087681 is 18678000311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6174816400 + 5125271281 = 78580^2 + 71591^2 .

It is an emirp because it is prime and its reverse (18678000311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11300087681 is a prime.

It is a super-2 number, since 2×11300087681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11300087651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650043840 + 5650043841.

It is an arithmetic number, because the mean of its divisors is an integer number (5650043841).

Almost surely, 2^11300087681 is an apocalyptic number.

It is an amenable number.

11300087681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11300087681 is an equidigital number, since it uses as much as digits as its factorization.

11300087681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 11300087681 its reverse (18678000311), we get a palindrome (29978087992).

The spelling of 11300087681 in words is "eleven billion, three hundred million, eighty-seven thousand, six hundred eighty-one".