51254411445215 has 8 divisors (see below), whose sum is σ = 67096684073808. Its totient is φ = 37275935596480.

The previous prime is 51254411445169. The next prime is 51254411445241.

It is a happy number.

51254411445215 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51254411445215 - 2²² = 51254407250911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465949194902 + ... + 465949195011.

It is an arithmetic number, because the mean of its divisors is an integer number (8387085509226).

Almost surely, 2^{51254411445215} is an apocalyptic number.

51254411445215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51254411445215 is a deficient number, since it is larger than the sum of its proper divisors (15842272628593).

51254411445215 is a wasteful number, since it uses less digits than its factorization.

51254411445215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931898389929.

The product of its digits is 640000, while the sum is 44.

The spelling of 51254411445215 in words is "fifty-one trillion, two hundred fifty-four billion, four hundred eleven million, four hundred forty-five thousand, two hundred fifteen".