85411805481172 has 12 divisors (see below), whose sum is σ = 149470725860820. Its totient is φ = 42705883806656.

The previous prime is 85411805481169. The next prime is 85411805481227. The reversal of 85411805481172 is 27118450811458.

It is a happy number.

85411805481172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1979547697296 + 83432257783876 = 1406964^2 + 9134126^2 .

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, 11949678 + ... + 17709274.

It is an arithmetic number, because the mean of its divisors is an integer number (12455893821735).

Almost surely, 2^{85411805481172} is an apocalyptic number.

It is an amenable number.

85411805481172 is a deficient number, since it is larger than the sum of its proper divisors (64058920379648).

85411805481172 is a wasteful number, since it uses less digits than its factorization.

85411805481172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9466970 (or 9466968 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 55.

The spelling of 85411805481172 in words is "eighty-five trillion, four hundred eleven billion, eight hundred five million, four hundred eighty-one thousand, one hundred seventy-two".