2111511314 has 16 divisors (see below), whose sum is σ = 3456976320. Its totient is φ = 959284560.

The previous prime is 2111511313. The next prime is 2111511329. The reversal of 2111511314 is 4131151112.

It is not an unprimeable number, because it can be changed into a prime (2111511313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20987 + ... + 68289.

It is an arithmetic number, because the mean of its divisors is an integer number (216061020).

Almost surely, 2^2111511314 is an apocalyptic number.

2111511314 is a deficient number, since it is larger than the sum of its proper divisors (1345465006).

2111511314 is a wasteful number, since it uses less digits than its factorization.

2111511314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49345.

The product of its digits is 120, while the sum is 20.

The square root of 2111511314 is about 45951.1840326231. The cubic root of 2111511314 is about 1282.9147674760.

Adding to 2111511314 its reverse (4131151112), we get a palindrome (6242662426).

The spelling of 2111511314 in words is "two billion, one hundred eleven million, five hundred eleven thousand, three hundred fourteen".