120454666815 has 16 divisors (see below), whose sum is σ = 220259962368. Its totient is φ = 55064990496.

The previous prime is 120454666799. The next prime is 120454666831. The reversal of 120454666815 is 518666454021.

It is an interprime number because it is at equal distance from previous prime (120454666799) and next prime (120454666831).

It is not a de Polignac number, because 120454666815 - 2⁴ = 120454666799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573593547 + ... + 573593756.

It is an arithmetic number, because the mean of its divisors is an integer number (13766247648).

Almost surely, 2^120454666815 is an apocalyptic number.

120454666815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120454666815 is a deficient number, since it is larger than the sum of its proper divisors (99805295553).

120454666815 is a wasteful number, since it uses less digits than its factorization.

120454666815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147187318.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 120454666815 in words is "one hundred twenty billion, four hundred fifty-four million, six hundred sixty-six thousand, eight hundred fifteen".