5500011111031 has 2 divisors, whose sum is σ = 5500011111032. Its totient is φ = 5500011111030.

The previous prime is 5500011111013. The next prime is 5500011111053. The reversal of 5500011111031 is 1301111100055.

Together with previous prime (5500011111013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5500011111031 - 2⁷ = 5500011110903 is a prime.

It is a super-2 number, since 2×5500011111031² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5500011111061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750005555515 + 2750005555516.

It is an arithmetic number, because the mean of its divisors is an integer number (2750005555516).

Almost surely, 2^{5500011111031} is an apocalyptic number.

5500011111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500011111031 is an equidigital number, since it uses as much as digits as its factorization.

5500011111031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75, while the sum is 19.

Adding to 5500011111031 its reverse (1301111100055), we get a palindrome (6801122211086).

The spelling of 5500011111031 in words is "five trillion, five hundred billion, eleven million, one hundred eleven thousand, thirty-one".