5351221118 has 4 divisors (see below), whose sum is σ = 8026831680. Its totient is φ = 2675610558.

The previous prime is 5351221079. The next prime is 5351221151. The reversal of 5351221118 is 8111221535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8111221535 = 5 ⋅1622244307.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1337805278 + ... + 1337805281.

It is an arithmetic number, because the mean of its divisors is an integer number (2006707920).

Almost surely, 2^5351221118 is an apocalyptic number.

5351221118 is a deficient number, since it is larger than the sum of its proper divisors (2675610562).

5351221118 is a wasteful number, since it uses less digits than its factorization.

5351221118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675610561.

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

The square root of 5351221118 is about 73152.0411061783. The cubic root of 5351221118 is about 1749.1120521720.

The spelling of 5351221118 in words is "five billion, three hundred fifty-one million, two hundred twenty-one thousand, one hundred eighteen".