5120801999 has 8 divisors (see below), whose sum is σ = 5424963408. Its totient is φ = 4816967040.

The previous prime is 5120801977. The next prime is 5120802023. The reversal of 5120801999 is 9991080215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5120801999 is a prime.

It is a super-2 number, since 2×5120801999² = 52445226225924792002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120801899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48932 + ... + 112409.

It is an arithmetic number, because the mean of its divisors is an integer number (678120426).

Almost surely, 2^5120801999 is an apocalyptic number.

5120801999 is a deficient number, since it is larger than the sum of its proper divisors (304161409).

5120801999 is a wasteful number, since it uses less digits than its factorization.

5120801999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163225.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 5120801999 is about 71559.7791989327. The cubic root of 5120801999 is about 1723.6377397473.

The spelling of 5120801999 in words is "five billion, one hundred twenty million, eight hundred one thousand, nine hundred ninety-nine".