2142530087855 has 4 divisors (see below), whose sum is σ = 2571036105432. Its totient is φ = 1714024070280.

The previous prime is 2142530087837. The next prime is 2142530087861. The reversal of 2142530087855 is 5587800352412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2142530087855 - 2³⁰ = 2141456346031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214253008781 + ... + 214253008790.

It is an arithmetic number, because the mean of its divisors is an integer number (642759026358).

Almost surely, 2^{2142530087855} is an apocalyptic number.

2142530087855 is a deficient number, since it is larger than the sum of its proper divisors (428506017577).

2142530087855 is an equidigital number, since it uses as much as digits as its factorization.

2142530087855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428506017576.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 2142530087855 in words is "two trillion, one hundred forty-two billion, five hundred thirty million, eighty-seven thousand, eight hundred fifty-five".