5551551151513 has 2 divisors, whose sum is σ = 5551551151514. Its totient is φ = 5551551151512.

The previous prime is 5551551151501. The next prime is 5551551151613. The reversal of 5551551151513 is 3151511551555.

5551551151513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5221211290009 + 330339861504 = 2284997^2 + 574752^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551551151513 - 2¹³ = 5551551143321 is a prime.

It is a super-3 number, since 3×5551551151513³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5551551151513.

It is not a weakly prime, because it can be changed into another prime (5551551151213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775775575756 + 2775775575757.

It is an arithmetic number, because the mean of its divisors is an integer number (2775775575757).

Almost surely, 2^{5551551151513} is an apocalyptic number.

It is an amenable number.

5551551151513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551551151513 is an equidigital number, since it uses as much as digits as its factorization.

5551551151513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 234375, while the sum is 43.

The spelling of 5551551151513 in words is "five trillion, five hundred fifty-one billion, five hundred fifty-one million, one hundred fifty-one thousand, five hundred thirteen".