2113806882542 has 64 divisors (see below), whose sum is σ = 3620817573120. Its totient is φ = 919262421504.

The previous prime is 2113806882527. The next prime is 2113806882553. The reversal of 2113806882542 is 2452886083112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21423173 + ... + 21521615.

It is an arithmetic number, because the mean of its divisors is an integer number (56575274580).

Almost surely, 2^{2113806882542} is an apocalyptic number.

2113806882542 is a deficient number, since it is larger than the sum of its proper divisors (1507010690578).

2113806882542 is a wasteful number, since it uses less digits than its factorization.

2113806882542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99297.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 2113806882542 in words is "two trillion, one hundred thirteen billion, eight hundred six million, eight hundred eighty-two thousand, five hundred forty-two".