5391165123 has 12 divisors (see below), whose sum is σ = 7788709240. Its totient is φ = 3593431296.

The previous prime is 5391165083. The next prime is 5391165149. The reversal of 5391165123 is 3215611935.

It is a happy number.

5391165123 is a `hidden beast` number, since 53 + 91 + 1 + 6 + 512 + 3 = 666.

It is not a de Polignac number, because 5391165123 - 2¹³ = 5391156931 is a prime.

It is a super-2 number, since 2×5391165123² = 58129322766903210258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5391165023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3661 + ... + 103902.

Almost surely, 2^5391165123 is an apocalyptic number.

5391165123 is a deficient number, since it is larger than the sum of its proper divisors (2397544117).

5391165123 is a wasteful number, since it uses less digits than its factorization.

5391165123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113138 (or 113135 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 5391165123 is about 73424.5539516584. The cubic root of 5391165123 is about 1753.4533303935.

The spelling of 5391165123 in words is "five billion, three hundred ninety-one million, one hundred sixty-five thousand, one hundred twenty-three".