5215445111 has 2 divisors, whose sum is σ = 5215445112. Its totient is φ = 5215445110.

The previous prime is 5215445107. The next prime is 5215445153. The reversal of 5215445111 is 1115445125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5215445111 - 2² = 5215445107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215441111) 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, 2607722555 + 2607722556.

It is an arithmetic number, because the mean of its divisors is an integer number (2607722556).

Almost surely, 2^5215445111 is an apocalyptic number.

5215445111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215445111 is an equidigital number, since it uses as much as digits as its factorization.

5215445111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000, while the sum is 29.

The square root of 5215445111 is about 72218.0386814818. The cubic root of 5215445111 is about 1734.1917920445.

The spelling of 5215445111 in words is "five billion, two hundred fifteen million, four hundred forty-five thousand, one hundred eleven".