51000561110510 has 32 divisors (see below), whose sum is σ = 100408035704832. Its totient is φ = 18497236485280.

The previous prime is 51000561110503. The next prime is 51000561110539. The reversal of 51000561110510 is 1501116500015.

It is a self number, because there is not a number n which added to its sum of digits gives 51000561110510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605233934 + ... + 605318193.

It is an arithmetic number, because the mean of its divisors is an integer number (3137751115776).

Almost surely, 2^{51000561110510} is an apocalyptic number.

51000561110510 is a deficient number, since it is larger than the sum of its proper divisors (49407474594322).

51000561110510 is a wasteful number, since it uses less digits than its factorization.

51000561110510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210552528.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 51000561110510 its reverse (1501116500015), we get a palindrome (52501677610525).

The spelling of 51000561110510 in words is "fifty-one trillion, five hundred sixty-one million, one hundred ten thousand, five hundred ten".