51165650010010 has 16 divisors (see below), whose sum is σ = 92630529385416. Its totient is φ = 20347957922368.

The previous prime is 51165650010001. The next prime is 51165650010053. The reversal of 51165650010010 is 1001005656115.

It can be written as a sum of positive squares in 4 ways, for example, as 41483041577289 + 9682608432721 = 6440733^2 + 3111689^2 .

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, 14787758389 + ... + 14787761848.

Almost surely, 2^{51165650010010} is an apocalyptic number.

51165650010010 is a deficient number, since it is larger than the sum of its proper divisors (41464879375406).

51165650010010 is a wasteful number, since it uses less digits than its factorization.

51165650010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29575520417.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 51165650010010 its reverse (1001005656115), we get a palindrome (52166655666125).

The spelling of 51165650010010 in words is "fifty-one trillion, one hundred sixty-five billion, six hundred fifty million, ten thousand, ten".