120249791669715 has 64 divisors (see below), whose sum is σ = 199701279360000. Its totient is φ = 61714399025664.

The previous prime is 120249791669647. The next prime is 120249791669743. The reversal of 120249791669715 is 517966197942021.

It is not a de Polignac number, because 120249791669715 - 2¹⁴ = 120249791653331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120249791669715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242973042 + ... + 243467448.

It is an arithmetic number, because the mean of its divisors is an integer number (3120332490000).

Almost surely, 2^{120249791669715} is an apocalyptic number.

120249791669715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120249791669715 is a deficient number, since it is larger than the sum of its proper divisors (79451487690285).

120249791669715 is a wasteful number, since it uses less digits than its factorization.

120249791669715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496316.

The product of its (nonzero) digits is 102876480, while the sum is 69.

The spelling of 120249791669715 in words is "one hundred twenty trillion, two hundred forty-nine billion, seven hundred ninety-one million, six hundred sixty-nine thousand, seven hundred fifteen".