51443451115 has 16 divisors (see below), whose sum is σ = 72826859520. Its totient is φ = 34137588960.

The previous prime is 51443451107. The next prime is 51443451133. The reversal of 51443451115 is 51115434415.

It is not a de Polignac number, because 51443451115 - 2³ = 51443451107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23705575 + ... + 23707744.

It is an arithmetic number, because the mean of its divisors is an integer number (4551678720).

Almost surely, 2^51443451115 is an apocalyptic number.

51443451115 is a deficient number, since it is larger than the sum of its proper divisors (21383408405).

51443451115 is a wasteful number, since it uses less digits than its factorization.

51443451115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47413362.

The product of its digits is 24000, while the sum is 34.

The spelling of 51443451115 in words is "fifty-one billion, four hundred forty-three million, four hundred fifty-one thousand, one hundred fifteen".