5011155251 has 2 divisors, whose sum is σ = 5011155252. Its totient is φ = 5011155250.

The previous prime is 5011155241. The next prime is 5011155257. The reversal of 5011155251 is 1525511105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5011155251 is a prime.

It is a super-2 number, since 2×5011155251² = 50223353899249746002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5011155251.

It is not a weakly prime, because it can be changed into another prime (5011155257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505577625 + 2505577626.

It is an arithmetic number, because the mean of its divisors is an integer number (2505577626).

Almost surely, 2^5011155251 is an apocalyptic number.

5011155251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5011155251 is an equidigital number, since it uses as much as digits as its factorization.

5011155251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 5011155251 is about 70789.5137078932. The cubic root of 5011155251 is about 1711.2466828453.

Adding to 5011155251 its reverse (1525511105), we get a palindrome (6536666356).

The spelling of 5011155251 in words is "five billion, eleven million, one hundred fifty-five thousand, two hundred fifty-one".