755806111231 has 2 divisors, whose sum is σ = 755806111232. Its totient is φ = 755806111230.

The previous prime is 755806111223. The next prime is 755806111261. The reversal of 755806111231 is 132111608557.

It is a weak prime.

It is an emirp because it is prime and its reverse (132111608557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 755806111231 - 2³ = 755806111223 is a prime.

It is a super-2 number, since 2×755806111231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755806111261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377903055615 + 377903055616.

It is an arithmetic number, because the mean of its divisors is an integer number (377903055616).

Almost surely, 2^755806111231 is an apocalyptic number.

755806111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

755806111231 is an equidigital number, since it uses as much as digits as its factorization.

755806111231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

Adding to 755806111231 its reverse (132111608557), we get a palindrome (887917719788).

The spelling of 755806111231 in words is "seven hundred fifty-five billion, eight hundred six million, one hundred eleven thousand, two hundred thirty-one".