5113211111249 has 2 divisors, whose sum is σ = 5113211111250. Its totient is φ = 5113211111248.

The previous prime is 5113211111191. The next prime is 5113211111293. The reversal of 5113211111249 is 9421111123115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5079582886849 + 33628224400 = 2253793^2 + 183380^2 .

It is a cyclic number.

It is not a de Polignac number, because 5113211111249 - 2¹² = 5113211107153 is a prime.

It is a super-2 number, since 2×5113211111249² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5113210111249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556605555624 + 2556605555625.

It is an arithmetic number, because the mean of its divisors is an integer number (2556605555625).

Almost surely, 2^{5113211111249} is an apocalyptic number.

It is an amenable number.

5113211111249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5113211111249 is an equidigital number, since it uses as much as digits as its factorization.

5113211111249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 32.

The spelling of 5113211111249 in words is "five trillion, one hundred thirteen billion, two hundred eleven million, one hundred eleven thousand, two hundred forty-nine".