55111411156 has 12 divisors (see below), whose sum is σ = 96449643892. Its totient is φ = 27554370048.

The previous prime is 55111411111. The next prime is 55111411217. The reversal of 55111411156 is 65111411155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38220250000 + 16891161156 = 195500^2 + 129966^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237975 + ... + 408478.

Almost surely, 2^55111411156 is an apocalyptic number.

It is an amenable number.

55111411156 is a deficient number, since it is larger than the sum of its proper divisors (41338232736).

55111411156 is a wasteful number, since it uses less digits than its factorization.

55111411156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667770 (or 667768 counting only the distinct ones).

The product of its digits is 3000, while the sum is 31.

Subtracting 55111411156 from its reverse (65111411155), we obtain a palindrome (9999999999).

The spelling of 55111411156 in words is "fifty-five billion, one hundred eleven million, four hundred eleven thousand, one hundred fifty-six".