5205113961 has 16 divisors (see below), whose sum is σ = 7011164160. Its totient is φ = 3434605200.

The previous prime is 5205113939. The next prime is 5205113983. The reversal of 5205113961 is 1693115025.

It is an interprime number because it is at equal distance from previous prime (5205113939) and next prime (5205113983).

It is not a de Polignac number, because 5205113961 - 2⁵ = 5205113929 is a prime.

It is a super-2 number, since 2×5205113961² = 54186422693994219042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5205113461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886686 + ... + 892536.

It is an arithmetic number, because the mean of its divisors is an integer number (438197760).

Almost surely, 2^5205113961 is an apocalyptic number.

It is an amenable number.

5205113961 is a deficient number, since it is larger than the sum of its proper divisors (1806050199).

5205113961 is a wasteful number, since it uses less digits than its factorization.

5205113961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8836.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 5205113961 is about 72146.4757351321. The cubic root of 5205113961 is about 1733.0459621676.

Adding to 5205113961 its reverse (1693115025), we get a palindrome (6898228986).

The spelling of 5205113961 in words is "five billion, two hundred five million, one hundred thirteen thousand, nine hundred sixty-one".