185215567042 has 16 divisors (see below), whose sum is σ = 303368429664. Its totient is φ = 84108780000.

The previous prime is 185215567021. The next prime is 185215567081. The reversal of 185215567042 is 240765512581.

185215567042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 185215566983 and 185215567001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3982059 + ... + 4028302.

It is an arithmetic number, because the mean of its divisors is an integer number (18960526854).

Almost surely, 2^185215567042 is an apocalyptic number.

185215567042 is a deficient number, since it is larger than the sum of its proper divisors (118152862622).

185215567042 is a wasteful number, since it uses less digits than its factorization.

185215567042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011425.

The product of its (nonzero) digits is 672000, while the sum is 46.

It can be divided in two parts, 185215 and 567042, that added together give a palindrome (752257).

The spelling of 185215567042 in words is "one hundred eighty-five billion, two hundred fifteen million, five hundred sixty-seven thousand, forty-two".