85257449992111 has 8 divisors (see below), whose sum is σ = 90274513567824. Its totient is φ = 80240599689600.

The previous prime is 85257449992103. The next prime is 85257449992123. The reversal of 85257449992111 is 11129994475258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85257449992111 - 2³ = 85257449992103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85257449992411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52494900 + ... + 54094633.

It is an arithmetic number, because the mean of its divisors is an integer number (11284314195978).

Almost surely, 2^{85257449992111} is an apocalyptic number.

85257449992111 is a deficient number, since it is larger than the sum of its proper divisors (5017063575713).

85257449992111 is a wasteful number, since it uses less digits than its factorization.

85257449992111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106636601.

The product of its digits is 65318400, while the sum is 67.

The spelling of 85257449992111 in words is "eighty-five trillion, two hundred fifty-seven billion, four hundred forty-nine million, nine hundred ninety-two thousand, one hundred eleven".