2115062171 has 2 divisors, whose sum is σ = 2115062172. Its totient is φ = 2115062170.

The previous prime is 2115062167. The next prime is 2115062177. The reversal of 2115062171 is 1712605112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2115062171 - 2² = 2115062167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2115062171.

It is not a weakly prime, because it can be changed into another prime (2115062177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057531085 + 1057531086.

It is an arithmetic number, because the mean of its divisors is an integer number (1057531086).

Almost surely, 2^2115062171 is an apocalyptic number.

2115062171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115062171 is an equidigital number, since it uses as much as digits as its factorization.

2115062171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 2115062171 is about 45989.8050767776. The cubic root of 2115062171 is about 1283.6335094903.

Adding to 2115062171 its reverse (1712605112), we get a palindrome (3827667283).

The spelling of 2115062171 in words is "two billion, one hundred fifteen million, sixty-two thousand, one hundred seventy-one".