5168005121 has 4 divisors (see below), whose sum is σ = 5218180032. Its totient is φ = 5117830212.

The previous prime is 5168005103. The next prime is 5168005147. The reversal of 5168005121 is 1215008615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5168005121 - 2⁶ = 5168005057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168005421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25087301 + ... + 25087506.

It is an arithmetic number, because the mean of its divisors is an integer number (1304545008).

Almost surely, 2^5168005121 is an apocalyptic number.

It is an amenable number.

5168005121 is a deficient number, since it is larger than the sum of its proper divisors (50174911).

5168005121 is a wasteful number, since it uses less digits than its factorization.

5168005121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50174910.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 5168005121 is about 71888.8386399447. The cubic root of 5168005121 is about 1728.9176654139.

The spelling of 5168005121 in words is "five billion, one hundred sixty-eight million, five thousand, one hundred twenty-one".