120311780675 has 12 divisors (see below), whose sum is σ = 152825307096. Its totient is φ = 93901876800.

The previous prime is 120311780669. The next prime is 120311780711. The reversal of 120311780675 is 576087113021.

It is a happy number.

It is not a de Polignac number, because 120311780675 - 2²⁰ = 120310732099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58687649 + ... + 58689698.

It is an arithmetic number, because the mean of its divisors is an integer number (12735442258).

Almost surely, 2^120311780675 is an apocalyptic number.

120311780675 is a deficient number, since it is larger than the sum of its proper divisors (32513526421).

120311780675 is a wasteful number, since it uses less digits than its factorization.

120311780675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117377398 (or 117377393 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

Adding to 120311780675 its reverse (576087113021), we get a palindrome (696398893696).

The spelling of 120311780675 in words is "one hundred twenty billion, three hundred eleven million, seven hundred eighty thousand, six hundred seventy-five".