855345911 has 6 divisors (see below), whose sum is σ = 994994280. Its totient is φ = 733153596.

The previous prime is 855345899. The next prime is 855345949. The reversal of 855345911 is 119543558.

It is not a de Polignac number, because 855345911 - 2⁶ = 855345847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855345011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8727971 + ... + 8728068.

It is an arithmetic number, because the mean of its divisors is an integer number (165832380).

Almost surely, 2^855345911 is an apocalyptic number.

855345911 is a deficient number, since it is larger than the sum of its proper divisors (139648369).

855345911 is a wasteful number, since it uses less digits than its factorization.

855345911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17456053 (or 17456046 counting only the distinct ones).

The product of its digits is 108000, while the sum is 41.

The square root of 855345911 is about 29246.2973895842. The cubic root of 855345911 is about 949.2499753246.

It can be divided in two parts, 8553459 and 11, that multiplied together give a palindrome (94088049).

The spelling of 855345911 in words is "eight hundred fifty-five million, three hundred forty-five thousand, nine hundred eleven".