120036640465 has 16 divisors (see below), whose sum is σ = 165474649728. Its totient is φ = 81884353536.

The previous prime is 120036640447. The next prime is 120036640553. The reversal of 120036640465 is 564046630021.

It is a cyclic number.

It is not a de Polignac number, because 120036640465 - 2⁹ = 120036639953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8878267 + ... + 8891776.

It is an arithmetic number, because the mean of its divisors is an integer number (10342165608).

Almost surely, 2^120036640465 is an apocalyptic number.

It is an amenable number.

120036640465 is a deficient number, since it is larger than the sum of its proper divisors (45438009263).

120036640465 is a wasteful number, since it uses less digits than its factorization.

120036640465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17770248.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 120036640465 in words is "one hundred twenty billion, thirty-six million, six hundred forty thousand, four hundred sixty-five".