2115565162111 has 2 divisors, whose sum is σ = 2115565162112. Its totient is φ = 2115565162110.

The previous prime is 2115565162057. The next prime is 2115565162127. The reversal of 2115565162111 is 1112615655112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2115565162111 - 2¹¹ = 2115565160063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115565162411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057782581055 + 1057782581056.

It is an arithmetic number, because the mean of its divisors is an integer number (1057782581056).

Almost surely, 2^{2115565162111} is an apocalyptic number.

2115565162111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115565162111 is an equidigital number, since it uses as much as digits as its factorization.

2115565162111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 37.

The spelling of 2115565162111 in words is "two trillion, one hundred fifteen billion, five hundred sixty-five million, one hundred sixty-two thousand, one hundred eleven".