129989140822611 has 48 divisors (see below), whose sum is σ = 215006244380928. Its totient is φ = 74133834379200.

The previous prime is 129989140822537. The next prime is 129989140822627. The reversal of 129989140822611 is 116228041989921.

129989140822611 is a `hidden beast` number, since 1 + 2 + 9 + 9 + 8 + 9 + 1 + 4 + 0 + 8 + 2 + 2 + 611 = 666.

It is not a de Polignac number, because 129989140822611 - 2⁴⁶ = 59620396644947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (129989140822661) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 171825321 + ... + 172580181.

It is an arithmetic number, because the mean of its divisors is an integer number (4479296757936).

Almost surely, 2^{129989140822611} is an apocalyptic number.

129989140822611 is a deficient number, since it is larger than the sum of its proper divisors (85017103558317).

129989140822611 is a wasteful number, since it uses less digits than its factorization.

129989140822611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760232 (or 760229 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 63.

The spelling of 129989140822611 in words is "one hundred twenty-nine trillion, nine hundred eighty-nine billion, one hundred forty million, eight hundred twenty-two thousand, six hundred eleven".