51232311323215 has 8 divisors (see below), whose sum is σ = 67067753005008. Its totient is φ = 37259862780480.

The previous prime is 51232311323071. The next prime is 51232311323239.

51232311323215 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51232311323215 - 2¹¹ = 51232311321167 is a prime.

It is a super-4 number, since 4×51232311323215⁴ (a number of 56 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 465748284702 + ... + 465748284811.

It is an arithmetic number, because the mean of its divisors is an integer number (8383469125626).

Almost surely, 2^{51232311323215} is an apocalyptic number.

51232311323215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51232311323215 is a deficient number, since it is larger than the sum of its proper divisors (15835441681793).

51232311323215 is a wasteful number, since it uses less digits than its factorization.

51232311323215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931496569529.

The product of its digits is 32400, while the sum is 34.

It can be divided in two parts, 5123231 and 1323215, that added together give a palindrome (6446446).

The spelling of 51232311323215 in words is "fifty-one trillion, two hundred thirty-two billion, three hundred eleven million, three hundred twenty-three thousand, two hundred fifteen".