120829155568 has 20 divisors (see below), whose sum is σ = 255388897368. Its totient is φ = 54922343360.

The previous prime is 120829155547. The next prime is 120829155571. The reversal of 120829155568 is 865551928021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343264471 + ... + 343264822.

Almost surely, 2^120829155568 is an apocalyptic number.

It is an amenable number.

120829155568 is an abundant number, since it is smaller than the sum of its proper divisors (134559741800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120829155568 is a wasteful number, since it uses less digits than its factorization.

120829155568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686529312 (or 686529306 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 52.

The spelling of 120829155568 in words is "one hundred twenty billion, eight hundred twenty-nine million, one hundred fifty-five thousand, five hundred sixty-eight".