5172021611 has 8 divisors (see below), whose sum is σ = 5322392064. Its totient is φ = 5023331560.

The previous prime is 5172021607. The next prime is 5172021619. The reversal of 5172021611 is 1161202715.

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

It is a cyclic number.

It is not a de Polignac number, because 5172021611 - 2² = 5172021607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172021619) 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, 413855 + ... + 426168.

It is an arithmetic number, because the mean of its divisors is an integer number (665299008).

Almost surely, 2^5172021611 is an apocalyptic number.

5172021611 is a deficient number, since it is larger than the sum of its proper divisors (150370453).

5172021611 is a wasteful number, since it uses less digits than its factorization.

5172021611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840201.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 5172021611 is about 71916.7686356944. The cubic root of 5172021611 is about 1729.3654450477.

The spelling of 5172021611 in words is "five billion, one hundred seventy-two million, twenty-one thousand, six hundred eleven".