5551225024021 has 4 divisors (see below), whose sum is σ = 5551234092844. Its totient is φ = 5551215955200.

The previous prime is 5551225023947. The next prime is 5551225024031. The reversal of 5551225024021 is 1204205221555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3743238215025 + 1807986808996 = 1934745^2 + 1344614^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551225024021 - 2²⁷ = 5551090806293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551225024031) 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 in 3 ways as a sum of consecutive naturals, for example, 3544140 + ... + 4864501.

It is an arithmetic number, because the mean of its divisors is an integer number (1387808523211).

Almost surely, 2^{5551225024021} is an apocalyptic number.

It is an amenable number.

5551225024021 is a deficient number, since it is larger than the sum of its proper divisors (9068823).

5551225024021 is an equidigital number, since it uses as much as digits as its factorization.

5551225024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068822.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 5551225024021 in words is "five trillion, five hundred fifty-one billion, two hundred twenty-five million, twenty-four thousand, twenty-one".