344256261111 has 64 divisors (see below), whose sum is σ = 605999923200. Its totient is φ = 189002095200.

The previous prime is 344256261073. The next prime is 344256261119. The reversal of 344256261111 is 111162652443.

344256261111 is a `hidden beast` number, since 3 + 4 + 4 + 2 + 5 + 626 + 11 + 11 = 666.

It is not a de Polignac number, because 344256261111 - 2⁶ = 344256261047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344256261119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 603046 + ... + 1025756.

It is an arithmetic number, because the mean of its divisors is an integer number (9468748800).

Almost surely, 2^344256261111 is an apocalyptic number.

344256261111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

344256261111 is a deficient number, since it is larger than the sum of its proper divisors (261743662089).

344256261111 is a wasteful number, since it uses less digits than its factorization.

344256261111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422897 (or 422891 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 344256261111 in words is "three hundred forty-four billion, two hundred fifty-six million, two hundred sixty-one thousand, one hundred eleven".