5551102621 has 2 divisors, whose sum is σ = 5551102622. Its totient is φ = 5551102620.

The previous prime is 5551102607. The next prime is 5551102679. The reversal of 5551102621 is 1262011555.

5551102621 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., 3426814521 + 2124288100 = 58539^2 + 46090^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551102621 - 2¹¹ = 5551100573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5551102621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551102121) 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, 2775551310 + 2775551311.

It is an arithmetic number, because the mean of its divisors is an integer number (2775551311).

Almost surely, 2^5551102621 is an apocalyptic number.

It is an amenable number.

5551102621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551102621 is an equidigital number, since it uses as much as digits as its factorization.

5551102621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 5551102621 is about 74505.7220688452. The cubic root of 5551102621 is about 1770.6242939153.

The spelling of 5551102621 in words is "five billion, five hundred fifty-one million, one hundred two thousand, six hundred twenty-one".