6122216551553 has 2 divisors, whose sum is σ = 6122216551554. Its totient is φ = 6122216551552.

The previous prime is 6122216551499. The next prime is 6122216551603. The reversal of 6122216551553 is 3551556122216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5842193545969 + 280023005584 = 2417063^2 + 529172^2 .

It is a cyclic number.

It is not a de Polignac number, because 6122216551553 - 2²⁴ = 6122199774337 is a prime.

It is not a weakly prime, because it can be changed into another prime (6122216553553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3061108275776 + 3061108275777.

It is an arithmetic number, because the mean of its divisors is an integer number (3061108275777).

Almost surely, 2^{6122216551553} is an apocalyptic number.

It is an amenable number.

6122216551553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6122216551553 is an equidigital number, since it uses as much as digits as its factorization.

6122216551553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540000, while the sum is 44.

The spelling of 6122216551553 in words is "six trillion, one hundred twenty-two billion, two hundred sixteen million, five hundred fifty-one thousand, five hundred fifty-three".