51403444430415 has 48 divisors (see below), whose sum is σ = 104370926889600. Its totient is φ = 21362470409280.

The previous prime is 51403444430309. The next prime is 51403444430431.

51403444430415 is nontrivially palindromic in base 10.

51403444430415 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51403444430415 - 2¹¹ = 51403444428367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3178930965 + ... + 3178947134.

It is an arithmetic number, because the mean of its divisors is an integer number (2174394310200).

Almost surely, 2^{51403444430415} is an apocalyptic number.

51403444430415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51403444430415 is an abundant number, since it is smaller than the sum of its proper divisors (52967482459185).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51403444430415 is a wasteful number, since it uses less digits than its factorization.

51403444430415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357878132 (or 6357878125 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

It can be divided in two parts, 5140344 and 4430415, that added together give a palindrome (9570759).

The spelling of 51403444430415 in words is "fifty-one trillion, four hundred three billion, four hundred forty-four million, four hundred thirty thousand, four hundred fifteen".