51381552416241 has 16 divisors (see below), whose sum is σ = 68637764574848. Its totient is φ = 34189879248000.

The previous prime is 51381552416123. The next prime is 51381552416269. The reversal of 51381552416241 is 14261425518315.

It is not a de Polignac number, because 51381552416241 - 2¹⁴ = 51381552399857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51381552416041) 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, 5114331 + ... + 11354271.

It is an arithmetic number, because the mean of its divisors is an integer number (4289860285928).

Almost surely, 2^{51381552416241} is an apocalyptic number.

It is an amenable number.

51381552416241 is a deficient number, since it is larger than the sum of its proper divisors (17256212158607).

51381552416241 is a wasteful number, since it uses less digits than its factorization.

51381552416241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245112.

The product of its digits is 1152000, while the sum is 48.

The spelling of 51381552416241 in words is "fifty-one trillion, three hundred eighty-one billion, five hundred fifty-two million, four hundred sixteen thousand, two hundred forty-one".