55001231011 has 2 divisors, whose sum is σ = 55001231012. Its totient is φ = 55001231010.

The previous prime is 55001230969. The next prime is 55001231023. The reversal of 55001231011 is 11013210055.

55001231011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55001231011 - 2⁷ = 55001230883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55001231011.

It is not a weakly prime, because it can be changed into another prime (55001231041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500615505 + 27500615506.

It is an arithmetic number, because the mean of its divisors is an integer number (27500615506).

Almost surely, 2^55001231011 is an apocalyptic number.

55001231011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55001231011 is an equidigital number, since it uses as much as digits as its factorization.

55001231011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 55001231011 its reverse (11013210055), we get a palindrome (66014441066).

The spelling of 55001231011 in words is "fifty-five billion, one million, two hundred thirty-one thousand, eleven".