51143444434115 has 16 divisors (see below), whose sum is σ = 66963249538560. Its totient is φ = 37188659332320.

The previous prime is 51143444434111. The next prime is 51143444434133.

51143444434115 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51143444434115 - 2² = 51143444434111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51143444434111) 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, 81848219 + ... + 82470708.

It is an arithmetic number, because the mean of its divisors is an integer number (4185203096160).

Almost surely, 2^{51143444434115} is an apocalyptic number.

51143444434115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51143444434115 is a deficient number, since it is larger than the sum of its proper divisors (15819805104445).

51143444434115 is a wasteful number, since it uses less digits than its factorization.

51143444434115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164324602.

The product of its digits is 921600, while the sum is 44.

It can be divided in two parts, 5114344 and 4434115, that added together give a palindrome (9548459).

The spelling of 51143444434115 in words is "fifty-one trillion, one hundred forty-three billion, four hundred forty-four million, four hundred thirty-four thousand, one hundred fifteen".