2112253511 has 4 divisors (see below), whose sum is σ = 2114327400. Its totient is φ = 2110179624.

The previous prime is 2112253499. The next prime is 2112253531. The reversal of 2112253511 is 1153522112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112253511 is a prime.

It is a super-2 number, since 2×2112253511² = 8923229789463654242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112253531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035416 + ... + 1037453.

It is an arithmetic number, because the mean of its divisors is an integer number (528581850).

Almost surely, 2^2112253511 is an apocalyptic number.

2112253511 is a deficient number, since it is larger than the sum of its proper divisors (2073889).

2112253511 is a wasteful number, since it uses less digits than its factorization.

2112253511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073888.

The product of its digits is 600, while the sum is 23.

The square root of 2112253511 is about 45959.2592520811. The cubic root of 2112253511 is about 1283.0650648710.

Adding to 2112253511 its reverse (1153522112), we get a palindrome (3265775623).

The spelling of 2112253511 in words is "two billion, one hundred twelve million, two hundred fifty-three thousand, five hundred eleven".