120149296563 has 16 divisors (see below), whose sum is σ = 160463797760. Its totient is φ = 79967274624.

The previous prime is 120149296549. The next prime is 120149296573. The reversal of 120149296563 is 365692941021.

It is not a de Polignac number, because 120149296563 - 2⁶ = 120149296499 is a prime.

It is a super-2 number, since 2×120149296563² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120149296573) 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 15 ways as a sum of consecutive naturals, for example, 4735770 + ... + 4761072.

It is an arithmetic number, because the mean of its divisors is an integer number (10028987360).

Almost surely, 2^120149296563 is an apocalyptic number.

120149296563 is a deficient number, since it is larger than the sum of its proper divisors (40314501197).

120149296563 is a wasteful number, since it uses less digits than its factorization.

120149296563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27858.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 120149296563 in words is "one hundred twenty billion, one hundred forty-nine million, two hundred ninety-six thousand, five hundred sixty-three".