55011061103 has 2 divisors, whose sum is σ = 55011061104. Its totient is φ = 55011061102.

The previous prime is 55011061099. The next prime is 55011061109. The reversal of 55011061103 is 30116011055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55011061103 - 2² = 55011061099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55011061109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505530551 + 27505530552.

It is an arithmetic number, because the mean of its divisors is an integer number (27505530552).

Almost surely, 2^55011061103 is an apocalyptic number.

55011061103 is a deficient number, since it is larger than the sum of its proper divisors (1).

55011061103 is an equidigital number, since it uses as much as digits as its factorization.

55011061103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 55011061103 its reverse (30116011055), we get a palindrome (85127072158).

The spelling of 55011061103 in words is "fifty-five billion, eleven million, sixty-one thousand, one hundred three".