5221456456345 has 32 divisors (see below), whose sum is σ = 6445183852800. Its totient is φ = 4058572573440.

The previous prime is 5221456456343. The next prime is 5221456456351. The reversal of 5221456456345 is 5436546541225.

It is not a de Polignac number, because 5221456456345 - 2¹ = 5221456456343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5221456456292 and 5221456456301.

It is not an unprimeable number, because it can be changed into a prime (5221456456343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225080287 + ... + 225103483.

It is an arithmetic number, because the mean of its divisors is an integer number (201411995400).

Almost surely, 2^{5221456456345} is an apocalyptic number.

It is an amenable number.

5221456456345 is a deficient number, since it is larger than the sum of its proper divisors (1223727396455).

5221456456345 is a wasteful number, since it uses less digits than its factorization.

5221456456345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28705.

The product of its digits is 17280000, while the sum is 52.

The spelling of 5221456456345 in words is "five trillion, two hundred twenty-one billion, four hundred fifty-six million, four hundred fifty-six thousand, three hundred forty-five".