5550111517 has 2 divisors, whose sum is σ = 5550111518. Its totient is φ = 5550111516.

The previous prime is 5550111449. The next prime is 5550111547. The reversal of 5550111517 is 7151110555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3080916036 + 2469195481 = 55506^2 + 49691^2 .

It is a cyclic number.

It is not a de Polignac number, because 5550111517 - 2²³ = 5541722909 is a prime.

It is a super-2 number, since 2×5550111517² = 61607475702272082578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5550111547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775055758 + 2775055759.

It is an arithmetic number, because the mean of its divisors is an integer number (2775055759).

Almost surely, 2^5550111517 is an apocalyptic number.

It is an amenable number.

5550111517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550111517 is an equidigital number, since it uses as much as digits as its factorization.

5550111517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4375, while the sum is 31.

The square root of 5550111517 is about 74499.0705780951. The cubic root of 5550111517 is about 1770.5189108116.

The spelling of 5550111517 in words is "five billion, five hundred fifty million, one hundred eleven thousand, five hundred seventeen".