51541330115 has 64 divisors (see below), whose sum is σ = 73114583040. Its totient is φ = 34478317440.

The previous prime is 51541330111. The next prime is 51541330129. The reversal of 51541330115 is 51103314515.

It is not a de Polignac number, because 51541330115 - 2² = 51541330111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51541330111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6233474 + ... + 6241736.

It is an arithmetic number, because the mean of its divisors is an integer number (1142415360).

Almost surely, 2^51541330115 is an apocalyptic number.

51541330115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51541330115 is a deficient number, since it is larger than the sum of its proper divisors (21573252925).

51541330115 is a wasteful number, since it uses less digits than its factorization.

51541330115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 51541330115 in words is "fifty-one billion, five hundred forty-one million, three hundred thirty thousand, one hundred fifteen".