120446561651 has 16 divisors (see below), whose sum is σ = 130338324480. Its totient is φ = 110644924320.

The previous prime is 120446561591. The next prime is 120446561687. The reversal of 120446561651 is 156165644021.

It is a cyclic number.

It is not a de Polignac number, because 120446561651 - 2¹⁸ = 120446299507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120446561599 and 120446561608.

It is not an unprimeable number, because it can be changed into a prime (120446561051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5155286 + ... + 5178596.

It is an arithmetic number, because the mean of its divisors is an integer number (8146145280).

Almost surely, 2^120446561651 is an apocalyptic number.

120446561651 is a deficient number, since it is larger than the sum of its proper divisors (9891762829).

120446561651 is a wasteful number, since it uses less digits than its factorization.

120446561651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25226.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 120446561651 in words is "one hundred twenty billion, four hundred forty-six million, five hundred sixty-one thousand, six hundred fifty-one".