5551105513 has 2 divisors, whose sum is σ = 5551105514. Its totient is φ = 5551105512.

The previous prime is 5551105501. The next prime is 5551105517. The reversal of 5551105513 is 3155011555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5533574544 + 17530969 = 74388^2 + 4187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551105513 is a prime.

It is not a weakly prime, because it can be changed into another prime (5551105517) 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, 2775552756 + 2775552757.

It is an arithmetic number, because the mean of its divisors is an integer number (2775552757).

Almost surely, 2^5551105513 is an apocalyptic number.

It is an amenable number.

5551105513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551105513 is an equidigital number, since it uses as much as digits as its factorization.

5551105513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9375, while the sum is 31.

The square root of 5551105513 is about 74505.7414767480. The cubic root of 5551105513 is about 1770.6246014005.

The spelling of 5551105513 in words is "five billion, five hundred fifty-one million, one hundred five thousand, five hundred thirteen".