120401522559 has 6 divisors (see below), whose sum is σ = 173913310376. Its totient is φ = 80267681700.

The previous prime is 120401522557. The next prime is 120401522569. The reversal of 120401522559 is 955225104021.

120401522559 is a `hidden beast` number, since 1 + 20 + 401 + 5 + 225 + 5 + 9 = 666.

It is not a de Polignac number, because 120401522559 - 2¹ = 120401522557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120401522557) 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 5 ways as a sum of consecutive naturals, for example, 6688973467 + ... + 6688973484.

Almost surely, 2^120401522559 is an apocalyptic number.

120401522559 is a deficient number, since it is larger than the sum of its proper divisors (53511787817).

120401522559 is a wasteful number, since it uses less digits than its factorization.

120401522559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13377946957 (or 13377946954 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 120401522559 in words is "one hundred twenty billion, four hundred one million, five hundred twenty-two thousand, five hundred fifty-nine".