51668485211110 has 32 divisors (see below), whose sum is σ = 93061591301952. Its totient is φ = 20654435809920.

The previous prime is 51668485211017. The next prime is 51668485211111. The reversal of 51668485211110 is 1111258486615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51668485211111) 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, 385268487 + ... + 385402573.

It is an arithmetic number, because the mean of its divisors is an integer number (2908174728186).

Almost surely, 2^{51668485211110} is an apocalyptic number.

51668485211110 is a deficient number, since it is larger than the sum of its proper divisors (41393106090842).

51668485211110 is a wasteful number, since it uses less digits than its factorization.

51668485211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157968.

The product of its (nonzero) digits is 460800, while the sum is 49.

The spelling of 51668485211110 in words is "fifty-one trillion, six hundred sixty-eight billion, four hundred eighty-five million, two hundred eleven thousand, one hundred ten".