5111136225 has 72 divisors (see below), whose sum is σ = 9881060280. Its totient is φ = 2510576640.

The previous prime is 5111136223. The next prime is 5111136227. The reversal of 5111136225 is 5226311115.

It is an interprime number because it is at equal distance from previous prime (5111136223) and next prime (5111136227).

It can be written as a sum of positive squares in 12 ways, for example, as 1856661921 + 3254474304 = 43089^2 + 57048^2 .

It is not a de Polignac number, because 5111136225 - 2¹ = 5111136223 is a prime.

It is a super-2 number, since 2×5111136225² = 52247427021014501250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5111136223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1487109 + ... + 1490541.

Almost surely, 2^5111136225 is an apocalyptic number.

It is an amenable number.

5111136225 is a deficient number, since it is larger than the sum of its proper divisors (4769924055).

5111136225 is a wasteful number, since it uses less digits than its factorization.

5111136225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971 (or 3963 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 5111136225 is about 71492.2109393744. The cubic root of 5111136225 is about 1722.5525720826.

The spelling of 5111136225 in words is "five billion, one hundred eleven million, one hundred thirty-six thousand, two hundred twenty-five".