2115361311 has 12 divisors (see below), whose sum is σ = 3280968792. Its totient is φ = 1208777808.

The previous prime is 2115361301. The next prime is 2115361343. The reversal of 2115361311 is 1131635112.

It is not a de Polignac number, because 2115361311 - 2⁹ = 2115360799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115361301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7194960 + ... + 7195253.

It is an arithmetic number, because the mean of its divisors is an integer number (273414066).

Almost surely, 2^2115361311 is an apocalyptic number.

2115361311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2115361311 is a deficient number, since it is larger than the sum of its proper divisors (1165607481).

2115361311 is a wasteful number, since it uses less digits than its factorization.

2115361311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14390230 (or 14390223 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 2115361311 is about 45993.0572043216. The cubic root of 2115361311 is about 1283.6940227669.

Adding to 2115361311 its reverse (1131635112), we get a palindrome (3246996423).

The spelling of 2115361311 in words is "two billion, one hundred fifteen million, three hundred sixty-one thousand, three hundred eleven".