51323343115 has 16 divisors (see below), whose sum is σ = 70723077120. Its totient is φ = 35361537120.

The previous prime is 51323343107. The next prime is 51323343119. The reversal of 51323343115 is 51134332315.

It is a happy number.

It is not a de Polignac number, because 51323343115 - 2³ = 51323343107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51323343119) 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 15 ways as a sum of consecutive naturals, for example, 24555579 + ... + 24557668.

It is an arithmetic number, because the mean of its divisors is an integer number (4420192320).

Almost surely, 2^51323343115 is an apocalyptic number.

51323343115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51323343115 is a deficient number, since it is larger than the sum of its proper divisors (19399734005).

51323343115 is a wasteful number, since it uses less digits than its factorization.

51323343115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49113282.

The product of its digits is 16200, while the sum is 31.

The spelling of 51323343115 in words is "fifty-one billion, three hundred twenty-three million, three hundred forty-three thousand, one hundred fifteen".