85813812453755 has 16 divisors (see below), whose sum is σ = 103104547467264. Its totient is φ = 68565748301280.

The previous prime is 85813812453713. The next prime is 85813812453757. The reversal of 85813812453755 is 55735421831858.

It is not a de Polignac number, because 85813812453755 - 2³⁴ = 85796632584571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85813812453691 and 85813812453700.

It is not an unprimeable number, because it can be changed into a prime (85813812453757) 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, 50982050 + ... + 52638360.

It is an arithmetic number, because the mean of its divisors is an integer number (6444034216704).

Almost surely, 2^{85813812453755} is an apocalyptic number.

85813812453755 is a deficient number, since it is larger than the sum of its proper divisors (17290735013509).

85813812453755 is a wasteful number, since it uses less digits than its factorization.

85813812453755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669186.

The product of its digits is 161280000, while the sum is 65.

The spelling of 85813812453755 in words is "eighty-five trillion, eight hundred thirteen billion, eight hundred twelve million, four hundred fifty-three thousand, seven hundred fifty-five".