51277112454 has 32 divisors (see below), whose sum is σ = 104032013184. Its totient is φ = 16846401600.

The previous prime is 51277112443. The next prime is 51277112477. The reversal of 51277112454 is 45421177215.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595197 + ... + 675879.

It is an arithmetic number, because the mean of its divisors is an integer number (3251000412).

Almost surely, 2^51277112454 is an apocalyptic number.

51277112454 is an abundant number, since it is smaller than the sum of its proper divisors (52754900730).

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

51277112454 is a wasteful number, since it uses less digits than its factorization.

51277112454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82212.

The product of its digits is 78400, while the sum is 39.

Adding to 51277112454 its reverse (45421177215), we get a palindrome (96698289669).

The spelling of 51277112454 in words is "fifty-one billion, two hundred seventy-seven million, one hundred twelve thousand, four hundred fifty-four".