85811234761803 has 32 divisors (see below), whose sum is σ = 121207776192000. Its totient is φ = 53849661255936.

The previous prime is 85811234761801. The next prime is 85811234761829. The reversal of 85811234761803 is 30816743211858.

It is not a de Polignac number, because 85811234761803 - 2¹ = 85811234761801 is a prime.

It is a super-2 number, since 2×85811234761803² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (85811234761801) by changing a digit.

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, 319819498 + ... + 320087696.

It is an arithmetic number, because the mean of its divisors is an integer number (3787743006000).

Almost surely, 2^{85811234761803} is an apocalyptic number.

85811234761803 is a deficient number, since it is larger than the sum of its proper divisors (35396541430197).

85811234761803 is a wasteful number, since it uses less digits than its factorization.

85811234761803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304131.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 85811234761803 in words is "eighty-five trillion, eight hundred eleven billion, two hundred thirty-four million, seven hundred sixty-one thousand, eight hundred three".