11622571471187 has 2 divisors, whose sum is σ = 11622571471188. Its totient is φ = 11622571471186.

The previous prime is 11622571471097. The next prime is 11622571471279. The reversal of 11622571471187 is 78117417522611.

It is a happy number.

11622571471187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11622571471187 - 2¹⁸ = 11622571209043 is a prime.

It is not a weakly prime, because it can be changed into another prime (11622571479187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811285735593 + 5811285735594.

It is an arithmetic number, because the mean of its divisors is an integer number (5811285735594).

Almost surely, 2^{11622571471187} is an apocalyptic number.

11622571471187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11622571471187 is an equidigital number, since it uses as much as digits as its factorization.

11622571471187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 53.

Adding to 11622571471187 its reverse (78117417522611), we get a palindrome (89739988993798).

The spelling of 11622571471187 in words is "eleven trillion, six hundred twenty-two billion, five hundred seventy-one million, four hundred seventy-one thousand, one hundred eighty-seven".