5161601123 has 16 divisors (see below), whose sum is σ = 6212997120. Its totient is φ = 4188977856.

The previous prime is 5161601113. The next prime is 5161601167. The reversal of 5161601123 is 3211061615.

It is not a de Polignac number, because 5161601123 - 2¹² = 5161597027 is a prime.

It is a super-2 number, since 2×5161601123² = 53284252305909722258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5161601092 and 5161601101.

It is not an unprimeable number, because it can be changed into a prime (5161601113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244286 + ... + 264572.

It is an arithmetic number, because the mean of its divisors is an integer number (388312320).

Almost surely, 2^5161601123 is an apocalyptic number.

5161601123 is a deficient number, since it is larger than the sum of its proper divisors (1051395997).

5161601123 is a wasteful number, since it uses less digits than its factorization.

5161601123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5161601123 is about 71844.2838575206. The cubic root of 5161601123 is about 1728.2032336043.

Adding to 5161601123 its reverse (3211061615), we get a palindrome (8372662738).

The spelling of 5161601123 in words is "five billion, one hundred sixty-one million, six hundred one thousand, one hundred twenty-three".