85311081419 has 16 divisors (see below), whose sum is σ = 94277219328. Its totient is φ = 76785109632.

The previous prime is 85311081407. The next prime is 85311081421. The reversal of 85311081419 is 91418011358.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85311081419 is a prime.

It is a super-2 number, since 2×85311081419² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85311081319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999184 + ... + 2041410.

It is an arithmetic number, because the mean of its divisors is an integer number (5892326208).

Almost surely, 2^85311081419 is an apocalyptic number.

85311081419 is a deficient number, since it is larger than the sum of its proper divisors (8966137909).

85311081419 is a wasteful number, since it uses less digits than its factorization.

85311081419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47434.

The product of its (nonzero) digits is 34560, while the sum is 41.

The spelling of 85311081419 in words is "eighty-five billion, three hundred eleven million, eighty-one thousand, four hundred nineteen".