5051311065401 has 4 divisors (see below), whose sum is σ = 5053353652212. Its totient is φ = 5049268478592.

The previous prime is 5051311065397. The next prime is 5051311065407. The reversal of 5051311065401 is 1045601131505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3507005290000 + 1544305775401 = 1872700^2 + 1242701^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051311065401 - 2² = 5051311065397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5051311065407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021289696 + ... + 1021294641.

It is an arithmetic number, because the mean of its divisors is an integer number (1263338413053).

Almost surely, 2^{5051311065401} is an apocalyptic number.

It is an amenable number.

5051311065401 is a deficient number, since it is larger than the sum of its proper divisors (2042586811).

5051311065401 is a wasteful number, since it uses less digits than its factorization.

5051311065401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042586810.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 5051311065401 its reverse (1045601131505), we get a palindrome (6096912196906).

The spelling of 5051311065401 in words is "five trillion, fifty-one billion, three hundred eleven million, sixty-five thousand, four hundred one".