5111155556327 has 2 divisors, whose sum is σ = 5111155556328. Its totient is φ = 5111155556326.

The previous prime is 5111155556323. The next prime is 5111155556369. The reversal of 5111155556327 is 7236555511115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5111155556327 - 2² = 5111155556323 is a prime.

It is a super-2 number, since 2×5111155556327² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111155556323) 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, 2555577778163 + 2555577778164.

It is an arithmetic number, because the mean of its divisors is an integer number (2555577778164).

Almost surely, 2^{5111155556327} is an apocalyptic number.

5111155556327 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111155556327 is an equidigital number, since it uses as much as digits as its factorization.

5111155556327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787500, while the sum is 47.

The spelling of 5111155556327 in words is "five trillion, one hundred eleven billion, one hundred fifty-five million, five hundred fifty-six thousand, three hundred twenty-seven".