55011100943 has 2 divisors, whose sum is σ = 55011100944. Its totient is φ = 55011100942.

The previous prime is 55011100939. The next prime is 55011101009. The reversal of 55011100943 is 34900111055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55011100943 - 2² = 55011100939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55011100643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505550471 + 27505550472.

It is an arithmetic number, because the mean of its divisors is an integer number (27505550472).

Almost surely, 2^55011100943 is an apocalyptic number.

55011100943 is a deficient number, since it is larger than the sum of its proper divisors (1).

55011100943 is an equidigital number, since it uses as much as digits as its factorization.

55011100943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 55011100943 its reverse (34900111055), we get a palindrome (89911211998).

The spelling of 55011100943 in words is "fifty-five billion, eleven million, one hundred thousand, nine hundred forty-three".