5311498805 has 4 divisors (see below), whose sum is σ = 6373798572. Its totient is φ = 4249199040.

The previous prime is 5311498781. The next prime is 5311498817. The reversal of 5311498805 is 5088941135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5088941135 = 5 ⋅1017788227.

It can be written as a sum of positive squares in 2 ways, for example, as 3069381604 + 2242117201 = 55402^2 + 47351^2 .

It is not a de Polignac number, because 5311498805 - 2¹⁸ = 5311236661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531149876 + ... + 531149885.

It is an arithmetic number, because the mean of its divisors is an integer number (1593449643).

Almost surely, 2^5311498805 is an apocalyptic number.

It is an amenable number.

5311498805 is a deficient number, since it is larger than the sum of its proper divisors (1062299767).

5311498805 is a wasteful number, since it uses less digits than its factorization.

5311498805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062299766.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 5311498805 is about 72880.0302209048. The cubic root of 5311498805 is about 1744.7733911529.

The spelling of 5311498805 in words is "five billion, three hundred eleven million, four hundred ninety-eight thousand, eight hundred five".