11213789177 has 2 divisors, whose sum is σ = 11213789178. Its totient is φ = 11213789176.

The previous prime is 11213789137. The next prime is 11213789179. The reversal of 11213789177 is 77198731211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10324795321 + 888993856 = 101611^2 + 29816^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213789177 - 2¹⁴ = 11213772793 is a prime.

Together with 11213789179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11213789179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606894588 + 5606894589.

It is an arithmetic number, because the mean of its divisors is an integer number (5606894589).

Almost surely, 2^11213789177 is an apocalyptic number.

It is an amenable number.

11213789177 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213789177 is an equidigital number, since it uses as much as digits as its factorization.

11213789177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 47.

The spelling of 11213789177 in words is "eleven billion, two hundred thirteen million, seven hundred eighty-nine thousand, one hundred seventy-seven".