851227741245 has 32 divisors (see below), whose sum is σ = 1606741401600. Its totient is φ = 376580013120.

The previous prime is 851227741223. The next prime is 851227741267. The reversal of 851227741245 is 542147722158.

It is an interprime number because it is at equal distance from previous prime (851227741223) and next prime (851227741267).

It is not a de Polignac number, because 851227741245 - 2⁵ = 851227741213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 851227741194 and 851227741203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130753695 + ... + 130760204.

It is an arithmetic number, because the mean of its divisors is an integer number (50210668800).

Almost surely, 2^851227741245 is an apocalyptic number.

It is an amenable number.

851227741245 is a deficient number, since it is larger than the sum of its proper divisors (755513660355).

851227741245 is a wasteful number, since it uses less digits than its factorization.

851227741245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261513945.

The product of its digits is 1254400, while the sum is 48.

The spelling of 851227741245 in words is "eight hundred fifty-one billion, two hundred twenty-seven million, seven hundred forty-one thousand, two hundred forty-five".