11181627601 has 2 divisors, whose sum is σ = 11181627602. Its totient is φ = 11181627600.

The previous prime is 11181627599. The next prime is 11181627727. The reversal of 11181627601 is 10672618111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11037603600 + 144024001 = 105060^2 + 12001^2 .

It is a cyclic number.

It is not a de Polignac number, because 11181627601 - 2¹ = 11181627599 is a prime.

Together with 11181627599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11181627101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5590813800 + 5590813801.

It is an arithmetic number, because the mean of its divisors is an integer number (5590813801).

Almost surely, 2^11181627601 is an apocalyptic number.

It is an amenable number.

11181627601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11181627601 is an equidigital number, since it uses as much as digits as its factorization.

11181627601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 11181627601 in words is "eleven billion, one hundred eighty-one million, six hundred twenty-seven thousand, six hundred one".