6318501121 has 9 divisors (see below), whose sum is σ = 6546281833. Its totient is φ = 6098396080.

The previous prime is 6318501073. The next prime is 6318501157. The reversal of 6318501121 is 1211058136.

The square root of 6318501121 is 79489.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 215766721 + 6102734400 = 14689^2 + 78120^2 .

It is not a de Polignac number, because 6318501121 - 2⁹ = 6318500609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6318501121.

It is not an unprimeable number, because it can be changed into a prime (6318501181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2303811 + ... + 2306551.

Almost surely, 2^6318501121 is an apocalyptic number.

6318501121 is the 79489-th square number.

6318501121 is the 39745-th centered octagonal number.

It is an amenable number.

6318501121 is a deficient number, since it is larger than the sum of its proper divisors (227780712).

6318501121 is an frugal number, since it uses more digits than its factorization.

6318501121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The cubic root of 6318501121 is about 1848.7209197015.

Adding to 6318501121 its reverse (1211058136), we get a palindrome (7529559257).

The spelling of 6318501121 in words is "six billion, three hundred eighteen million, five hundred one thousand, one hundred twenty-one".