2553222635081 has 2 divisors, whose sum is σ = 2553222635082. Its totient is φ = 2553222635080.

The previous prime is 2553222635077. The next prime is 2553222635143. The reversal of 2553222635081 is 1805362223552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2421369405625 + 131853229456 = 1556075^2 + 363116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553222635081 - 2² = 2553222635077 is a prime.

It is a super-2 number, since 2×2553222635081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2553222635021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276611317540 + 1276611317541.

It is an arithmetic number, because the mean of its divisors is an integer number (1276611317541).

Almost surely, 2^{2553222635081} is an apocalyptic number.

It is an amenable number.

2553222635081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553222635081 is an equidigital number, since it uses as much as digits as its factorization.

2553222635081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 2553222635081 in words is "two trillion, five hundred fifty-three billion, two hundred twenty-two million, six hundred thirty-five thousand, eighty-one".