2555220511 has 2 divisors, whose sum is σ = 2555220512. Its totient is φ = 2555220510.

The previous prime is 2555220497. The next prime is 2555220559. The reversal of 2555220511 is 1150225552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555220511 - 2³¹ = 407736863 is a prime.

It is a super-2 number, since 2×2555220511² = 13058303719670202242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2555220511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555220011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277610255 + 1277610256.

It is an arithmetic number, because the mean of its divisors is an integer number (1277610256).

Almost surely, 2^2555220511 is an apocalyptic number.

2555220511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555220511 is an equidigital number, since it uses as much as digits as its factorization.

2555220511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 2555220511 is about 50549.1890241574. The cubic root of 2555220511 is about 1367.1288924779.

The spelling of 2555220511 in words is "two billion, five hundred fifty-five million, two hundred twenty thousand, five hundred eleven".