5551117373 has 2 divisors, whose sum is σ = 5551117374. Its totient is φ = 5551117372.

The previous prime is 5551117337. The next prime is 5551117381. The reversal of 5551117373 is 3737111555.

Together with previous prime (5551117337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4653695524 + 897421849 = 68218^2 + 29957^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551117373 - 2⁶ = 5551117309 is a prime.

It is a super-2 number, since 2×5551117373² = 61629808177644842258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551117573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775558686 + 2775558687.

It is an arithmetic number, because the mean of its divisors is an integer number (2775558687).

Almost surely, 2^5551117373 is an apocalyptic number.

It is an amenable number.

5551117373 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551117373 is an equidigital number, since it uses as much as digits as its factorization.

5551117373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55125, while the sum is 38.

The square root of 5551117373 is about 74505.8210678870. The cubic root of 5551117373 is about 1770.6258623861.

The spelling of 5551117373 in words is "five billion, five hundred fifty-one million, one hundred seventeen thousand, three hundred seventy-three".