5161115450 has 48 divisors (see below), whose sum is σ = 9812002200. Its totient is φ = 2019168000.

The previous prime is 5161115441. The next prime is 5161115467. The reversal of 5161115450 is 545111615.

It can be written as a sum of positive squares in 12 ways, for example, as 176331841 + 4984783609 = 13279^2 + 70603^2 .

It is a super-2 number, since 2×5161115450² = 53274225376457405000, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 547376 + ... + 556724.

Almost surely, 2^5161115450 is an apocalyptic number.

5161115450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5161115450 is a deficient number, since it is larger than the sum of its proper divisors (4650886750).

5161115450 is a wasteful number, since it uses less digits than its factorization.

5161115450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9603 (or 9598 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

The square root of 5161115450 is about 71840.9037387476. The cubic root of 5161115450 is about 1728.1490276867.

The spelling of 5161115450 in words is "five billion, one hundred sixty-one million, one hundred fifteen thousand, four hundred fifty".