855709240311 has 12 divisors (see below), whose sum is σ = 1275896215360. Its totient is φ = 552070477440.

The previous prime is 855709240283. The next prime is 855709240319. The reversal of 855709240311 is 113042907558.

855709240311 is a `hidden beast` number, since 8 + 5 + 570 + 9 + 2 + 40 + 31 + 1 = 666.

It is not a de Polignac number, because 855709240311 - 2⁶ = 855709240247 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 (855709240319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533528826 + ... + 1533529383.

Almost surely, 2^855709240311 is an apocalyptic number.

855709240311 is a deficient number, since it is larger than the sum of its proper divisors (420186975049).

855709240311 is a wasteful number, since it uses less digits than its factorization.

855709240311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067058246 (or 3067058243 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 855709240311 in words is "eight hundred fifty-five billion, seven hundred nine million, two hundred forty thousand, three hundred eleven".