85811464348655 has 16 divisors (see below), whose sum is σ = 103289285735424. Its totient is φ = 68438836926240.

The previous prime is 85811464348637. The next prime is 85811464348699. The reversal of 85811464348655 is 55684346411858.

It is not a de Polignac number, because 85811464348655 - 2¹² = 85811464344559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37903334 + ... + 40103436.

It is an arithmetic number, because the mean of its divisors is an integer number (6455580358464).

Almost surely, 2^{85811464348655} is an apocalyptic number.

85811464348655 is a deficient number, since it is larger than the sum of its proper divisors (17477821386769).

85811464348655 is a wasteful number, since it uses less digits than its factorization.

85811464348655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224006.

The product of its digits is 442368000, while the sum is 68.

The spelling of 85811464348655 in words is "eighty-five trillion, eight hundred eleven billion, four hundred sixty-four million, three hundred forty-eight thousand, six hundred fifty-five".