51660122106615 has 128 divisors (see below), whose sum is σ = 101719839744000. Its totient is φ = 22083910295040.

The previous prime is 51660122106583. The next prime is 51660122106623.

51660122106615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51660122106615 - 2⁵ = 51660122106583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7013965 + ... + 12349734.

It is an arithmetic number, because the mean of its divisors is an integer number (794686248000).

Almost surely, 2^{51660122106615} is an apocalyptic number.

51660122106615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51660122106615 is a deficient number, since it is larger than the sum of its proper divisors (50059717637385).

51660122106615 is a wasteful number, since it uses less digits than its factorization.

51660122106615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363797.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 51660122106615 in words is "fifty-one trillion, six hundred sixty billion, one hundred twenty-two million, one hundred six thousand, six hundred fifteen".