129792224015894 has 16 divisors (see below), whose sum is σ = 212512282948800. Its totient is φ = 58961741215560.

The previous prime is 129792224015863. The next prime is 129792224015917. The reversal of 129792224015894 is 498510422297921.

It is a super-2 number, since 2×129792224015894² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129792224015894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736174084 + ... + 1736248839.

It is an arithmetic number, because the mean of its divisors is an integer number (13282017684300).

Almost surely, 2^{129792224015894} is an apocalyptic number.

129792224015894 is a deficient number, since it is larger than the sum of its proper divisors (82720058932906).

129792224015894 is a wasteful number, since it uses less digits than its factorization.

129792224015894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472424635.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 129792224015894 in words is "one hundred twenty-nine trillion, seven hundred ninety-two billion, two hundred twenty-four million, fifteen thousand, eight hundred ninety-four".