2113540063 has 4 divisors (see below), whose sum is σ = 2113633368. Its totient is φ = 2113446760.

The previous prime is 2113540061. The next prime is 2113540073. The reversal of 2113540063 is 3600453112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2113540063 - 2¹ = 2113540061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113540061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11433 + ... + 66013.

It is an arithmetic number, because the mean of its divisors is an integer number (528408342).

Almost surely, 2^2113540063 is an apocalyptic number.

2113540063 is a deficient number, since it is larger than the sum of its proper divisors (93305).

2113540063 is an equidigital number, since it uses as much as digits as its factorization.

2113540063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93304.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2113540063 is about 45973.2537786918. The cubic root of 2113540063 is about 1283.3255126002.

Adding to 2113540063 its reverse (3600453112), we get a palindrome (5713993175).

The spelling of 2113540063 in words is "two billion, one hundred thirteen million, five hundred forty thousand, sixty-three".