853142253605 has 16 divisors (see below), whose sum is σ = 1034375759424. Its totient is φ = 675444456960.

The previous prime is 853142253553. The next prime is 853142253619. The reversal of 853142253605 is 506352241358.

It is not a de Polignac number, because 853142253605 - 2⁸ = 853142253349 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 16018670 + ... + 16071840.

It is an arithmetic number, because the mean of its divisors is an integer number (64648484964).

Almost surely, 2^853142253605 is an apocalyptic number.

It is an amenable number.

853142253605 is a deficient number, since it is larger than the sum of its proper divisors (181233505819).

853142253605 is a wasteful number, since it uses less digits than its factorization.

853142253605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86356.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 853142253605 its sum of digits (44), we get a square (853142253649 = 923657²).

The spelling of 853142253605 in words is "eight hundred fifty-three billion, one hundred forty-two million, two hundred fifty-three thousand, six hundred five".