2542112545 has 16 divisors (see below), whose sum is σ = 3571360128. Its totient is φ = 1700645760.

The previous prime is 2542112539. The next prime is 2542112549. The reversal of 2542112545 is 5452112452.

It is not a de Polignac number, because 2542112545 - 2¹³ = 2542104353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2542112549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884319 + ... + 887188.

It is an arithmetic number, because the mean of its divisors is an integer number (223210008).

Almost surely, 2^2542112545 is an apocalyptic number.

It is an amenable number.

2542112545 is a deficient number, since it is larger than the sum of its proper divisors (1029247583).

2542112545 is a wasteful number, since it uses less digits than its factorization.

2542112545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771560.

The product of its digits is 16000, while the sum is 31.

The square root of 2542112545 is about 50419.3667651628. The cubic root of 2542112545 is about 1364.7871494289.

Adding to 2542112545 its reverse (5452112452), we get a palindrome (7994224997).

The spelling of 2542112545 in words is "two billion, five hundred forty-two million, one hundred twelve thousand, five hundred forty-five".