2542551111 has 6 divisors (see below), whose sum is σ = 3672573840. Its totient is φ = 1695034068.

The previous prime is 2542551061. The next prime is 2542551173. The reversal of 2542551111 is 1111552452.

It is a happy number.

2542551111 is a `hidden beast` number, since 2 + 542 + 5 + 5 + 1 + 111 = 666.

It is not a de Polignac number, because 2542551111 - 2⁹ = 2542550599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542551511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141252831 + ... + 141252848.

It is an arithmetic number, because the mean of its divisors is an integer number (612095640).

Almost surely, 2^2542551111 is an apocalyptic number.

2542551111 is a deficient number, since it is larger than the sum of its proper divisors (1130022729).

2542551111 is a wasteful number, since it uses less digits than its factorization.

2542551111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282505685 (or 282505682 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 2542551111 is about 50423.7157595511. The cubic root of 2542551111 is about 1364.8656294087.

The spelling of 2542551111 in words is "two billion, five hundred forty-two million, five hundred fifty-one thousand, one hundred eleven".