51277102264 has 32 divisors (see below), whose sum is σ = 101734732800. Its totient is φ = 24161971680.

The previous prime is 51277102259. The next prime is 51277102367. The reversal of 51277102264 is 46220177215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854082 + ... + 912145.

It is an arithmetic number, because the mean of its divisors is an integer number (3179210400).

Almost surely, 2^51277102264 is an apocalyptic number.

It is an amenable number.

51277102264 is a deficient number, since it is larger than the sum of its proper divisors (50457630536).

51277102264 is a wasteful number, since it uses less digits than its factorization.

51277102264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766443 (or 1766439 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 51277102264 its reverse (46220177215), we get a palindrome (97497279479).

The spelling of 51277102264 in words is "fifty-one billion, two hundred seventy-seven million, one hundred two thousand, two hundred sixty-four".