120640544753 has 4 divisors (see below), whose sum is σ = 120667081200. Its totient is φ = 120614008308.

The previous prime is 120640544749. The next prime is 120640544767. The reversal of 120640544753 is 357445046021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120640544753 - 2² = 120640544749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120640544753.

It is not an unprimeable number, because it can be changed into a prime (120640543753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13261403 + ... + 13270496.

It is an arithmetic number, because the mean of its divisors is an integer number (30166770300).

Almost surely, 2^120640544753 is an apocalyptic number.

It is an amenable number.

120640544753 is a deficient number, since it is larger than the sum of its proper divisors (26536447).

120640544753 is an equidigital number, since it uses as much as digits as its factorization.

120640544753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26536446.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 120640544753 in words is "one hundred twenty billion, six hundred forty million, five hundred forty-four thousand, seven hundred fifty-three".