43267111255 has 4 divisors (see below), whose sum is σ = 51920533512. Its totient is φ = 34613689000.

The previous prime is 43267111249. The next prime is 43267111259. The reversal of 43267111255 is 55211176234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55211176234 = 2 ⋅27605588117.

It is not a de Polignac number, because 43267111255 - 2⁷ = 43267111127 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 (43267111259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4326711121 + ... + 4326711130.

It is an arithmetic number, because the mean of its divisors is an integer number (12980133378).

Almost surely, 2^43267111255 is an apocalyptic number.

43267111255 is a deficient number, since it is larger than the sum of its proper divisors (8653422257).

43267111255 is an equidigital number, since it uses as much as digits as its factorization.

43267111255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653422256.

The product of its digits is 50400, while the sum is 37.

Adding to 43267111255 its reverse (55211176234), we get a palindrome (98478287489).

The spelling of 43267111255 in words is "forty-three billion, two hundred sixty-seven million, one hundred eleven thousand, two hundred fifty-five".