2142504555 has 16 divisors (see below), whose sum is σ = 3433224960. Its totient is φ = 1140929888.

The previous prime is 2142504517. The next prime is 2142504557. The reversal of 2142504555 is 5554052412.

It is a cyclic number.

It is not a de Polignac number, because 2142504555 - 2¹⁸ = 2142242411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142504557) 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, 98487 + ... + 118256.

It is an arithmetic number, because the mean of its divisors is an integer number (214576560).

Almost surely, 2^2142504555 is an apocalyptic number.

2142504555 is a deficient number, since it is larger than the sum of its proper divisors (1290720405).

2142504555 is a wasteful number, since it uses less digits than its factorization.

2142504555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217410.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2142504555 is about 46287.1964478299. The cubic root of 2142504555 is about 1289.1612750038.

Adding to 2142504555 its reverse (5554052412), we get a palindrome (7696556967).

The spelling of 2142504555 in words is "two billion, one hundred forty-two million, five hundred four thousand, five hundred fifty-five".