129855832119 has 48 divisors (see below), whose sum is σ = 203380588320. Its totient is φ = 79366210560.

The previous prime is 129855832061. The next prime is 129855832121. The reversal of 129855832119 is 911238558921.

129855832119 is a `hidden beast` number, since 1 + 29 + 8 + 5 + 583 + 21 + 19 = 666.

It is not a de Polignac number, because 129855832119 - 2²³ = 129847443511 is a prime.

It is a super-2 number, since 2×129855832119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129855832129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10284192 + ... + 10296810.

It is an arithmetic number, because the mean of its divisors is an integer number (4237095590).

Almost surely, 2^129855832119 is an apocalyptic number.

129855832119 is a deficient number, since it is larger than the sum of its proper divisors (73524756201).

129855832119 is a wasteful number, since it uses less digits than its factorization.

129855832119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13232 (or 13229 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 54.

The spelling of 129855832119 in words is "one hundred twenty-nine billion, eight hundred fifty-five million, eight hundred thirty-two thousand, one hundred nineteen".