5261156113 has 2 divisors, whose sum is σ = 5261156114. Its totient is φ = 5261156112.

The previous prime is 5261156099. The next prime is 5261156213. The reversal of 5261156113 is 3116511625.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5248567809 + 12588304 = 72447^2 + 3548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5261156113 is a prime.

It is not a weakly prime, because it can be changed into another prime (5261156213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630578056 + 2630578057.

It is an arithmetic number, because the mean of its divisors is an integer number (2630578057).

Almost surely, 2^5261156113 is an apocalyptic number.

It is an amenable number.

5261156113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261156113 is an equidigital number, since it uses as much as digits as its factorization.

5261156113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 31.

The square root of 5261156113 is about 72533.8273704070. The cubic root of 5261156113 is about 1739.2435291207.

Adding to 5261156113 its reverse (3116511625), we get a palindrome (8377667738).

The spelling of 5261156113 in words is "five billion, two hundred sixty-one million, one hundred fifty-six thousand, one hundred thirteen".