5111891873 has 8 divisors (see below), whose sum is σ = 5577969216. Its totient is φ = 4646041200.

The previous prime is 5111891861. The next prime is 5111891893. The reversal of 5111891873 is 3781981115.

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 5111891873 - 2⁶ = 5111891809 is a prime.

It is a super-2 number, since 2×5111891873² = 52262877042486896258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5111891893) 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, 7661 + ... + 101402.

It is an arithmetic number, because the mean of its divisors is an integer number (697246152).

Almost surely, 2^5111891873 is an apocalyptic number.

It is an amenable number.

5111891873 is a deficient number, since it is larger than the sum of its proper divisors (466077343).

5111891873 is a wasteful number, since it uses less digits than its factorization.

5111891873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113335.

The product of its digits is 60480, while the sum is 44.

The square root of 5111891873 is about 71497.4955715233. The cubic root of 5111891873 is about 1722.6374572697.

The spelling of 5111891873 in words is "five billion, one hundred eleven million, eight hundred ninety-one thousand, eight hundred seventy-three".