85005318058451 has 4 divisors (see below), whose sum is σ = 97148934923952. Its totient is φ = 72861701192952.

The previous prime is 85005318058421. The next prime is 85005318058469. The reversal of 85005318058451 is 15485081350058.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85005318058451 - 2¹⁴ = 85005318042067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85005318058393 and 85005318058402.

It is not an unprimeable number, because it can be changed into a prime (85005318058421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6071808432740 + ... + 6071808432753.

It is an arithmetic number, because the mean of its divisors is an integer number (24287233730988).

Almost surely, 2^{85005318058451} is an apocalyptic number.

85005318058451 is a deficient number, since it is larger than the sum of its proper divisors (12143616865501).

85005318058451 is a wasteful number, since it uses less digits than its factorization.

85005318058451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143616865500.

The product of its (nonzero) digits is 3840000, while the sum is 53.

The spelling of 85005318058451 in words is "eighty-five trillion, five billion, three hundred eighteen million, fifty-eight thousand, four hundred fifty-one".