5120554111 has 2 divisors, whose sum is σ = 5120554112. Its totient is φ = 5120554110.

The previous prime is 5120554097. The next prime is 5120554123. The reversal of 5120554111 is 1114550215.

5120554111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5120554111 - 2¹³ = 5120545919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5120554181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560277055 + 2560277056.

It is an arithmetic number, because the mean of its divisors is an integer number (2560277056).

Almost surely, 2^5120554111 is an apocalyptic number.

5120554111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5120554111 is an equidigital number, since it uses as much as digits as its factorization.

5120554111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 5120554111 is about 71558.0471435603. The cubic root of 5120554111 is about 1723.6099266556.

The spelling of 5120554111 in words is "five billion, one hundred twenty million, five hundred fifty-four thousand, one hundred eleven".