5525155555111 has 2 divisors, whose sum is σ = 5525155555112. Its totient is φ = 5525155555110.

The previous prime is 5525155555069. The next prime is 5525155555141. The reversal of 5525155555111 is 1115555515255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5525155555111 - 2¹³ = 5525155546919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5525155555141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762577777555 + 2762577777556.

It is an arithmetic number, because the mean of its divisors is an integer number (2762577777556).

Almost surely, 2^{5525155555111} is an apocalyptic number.

5525155555111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5525155555111 is an equidigital number, since it uses as much as digits as its factorization.

5525155555111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 781250, while the sum is 46.

The spelling of 5525155555111 in words is "five trillion, five hundred twenty-five billion, one hundred fifty-five million, five hundred fifty-five thousand, one hundred eleven".