120552550405 has 32 divisors (see below), whose sum is σ = 173159078400. Its totient is φ = 78776408832.

The previous prime is 120552550397. The next prime is 120552550423. The reversal of 120552550405 is 504055255021.

It is a cyclic number.

It is not a de Polignac number, because 120552550405 - 2³ = 120552550397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61810 + ... + 494899.

It is an arithmetic number, because the mean of its divisors is an integer number (5411221200).

Almost surely, 2^120552550405 is an apocalyptic number.

It is an amenable number.

120552550405 is a deficient number, since it is larger than the sum of its proper divisors (52606527995).

120552550405 is a wasteful number, since it uses less digits than its factorization.

120552550405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557013.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 120552550405 in words is "one hundred twenty billion, five hundred fifty-two million, five hundred fifty thousand, four hundred five".