5111155556323 has 2 divisors, whose sum is σ = 5111155556324. Its totient is φ = 5111155556322.

The previous prime is 5111155556291. The next prime is 5111155556327. The reversal of 5111155556323 is 3236555511115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5111155556323 - 2⁵ = 5111155556291 is a prime.

It is a super-2 number, since 2×5111155556323² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5111155556323.

It is not a weakly prime, because it can be changed into another prime (5111155556327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555577778161 + 2555577778162.

It is an arithmetic number, because the mean of its divisors is an integer number (2555577778162).

Almost surely, 2^{5111155556323} is an apocalyptic number.

5111155556323 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111155556323 is an equidigital number, since it uses as much as digits as its factorization.

5111155556323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 337500, while the sum is 43.

The spelling of 5111155556323 in words is "five trillion, one hundred eleven billion, one hundred fifty-five million, five hundred fifty-six thousand, three hundred twenty-three".