51326244262315 has 16 divisors (see below), whose sum is σ = 68137067932416. Its totient is φ = 36802428661600.

The previous prime is 51326244262313. The next prime is 51326244262409.

It is a happy number.

51326244262315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51326244262315 - 2¹ = 51326244262313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51326244262313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6571858357 + ... + 6571866166.

It is an arithmetic number, because the mean of its divisors is an integer number (4258566745776).

Almost surely, 2^{51326244262315} is an apocalyptic number.

51326244262315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51326244262315 is a deficient number, since it is larger than the sum of its proper divisors (16810823670101).

51326244262315 is a wasteful number, since it uses less digits than its factorization.

51326244262315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143724610.

The product of its digits is 2073600, while the sum is 46.

It can be divided in two parts, 5132624 and 4262315, that added together give a palindrome (9394939).

The spelling of 51326244262315 in words is "fifty-one trillion, three hundred twenty-six billion, two hundred forty-four million, two hundred sixty-two thousand, three hundred fifteen".