2134551111 has 32 divisors (see below), whose sum is σ = 3558532608. Its totient is φ = 1105674240.

The previous prime is 2134551047. The next prime is 2134551131. The reversal of 2134551111 is 1111554312.

It is not a de Polignac number, because 2134551111 - 2⁶ = 2134551047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134551131) 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 31 ways as a sum of consecutive naturals, for example, 68455 + ... + 94631.

It is an arithmetic number, because the mean of its divisors is an integer number (111204144).

Almost surely, 2^2134551111 is an apocalyptic number.

2134551111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2134551111 is a deficient number, since it is larger than the sum of its proper divisors (1423981497).

2134551111 is a wasteful number, since it uses less digits than its factorization.

2134551111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26551.

The product of its digits is 600, while the sum is 24.

The square root of 2134551111 is about 46201.2024843510. The cubic root of 2134551111 is about 1287.5640810912.

The spelling of 2134551111 in words is "two billion, one hundred thirty-four million, five hundred fifty-one thousand, one hundred eleven".