120888717543 has 40 divisors (see below), whose sum is σ = 203797115280. Its totient is φ = 70739464320.

The previous prime is 120888717529. The next prime is 120888717571. The reversal of 120888717543 is 345717888021.

120888717543 is a `hidden beast` number, since 1 + 2 + 0 + 8 + 8 + 87 + 17 + 543 = 666.

It is not a de Polignac number, because 120888717543 - 2⁵ = 120888717511 is a prime.

It is a super-2 number, since 2×120888717543² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120888717543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120888717043) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 2313430 + ... + 2365107.

It is an arithmetic number, because the mean of its divisors is an integer number (5094927882).

Almost surely, 2^120888717543 is an apocalyptic number.

120888717543 is a deficient number, since it is larger than the sum of its proper divisors (82908397737).

120888717543 is a wasteful number, since it uses less digits than its factorization.

120888717543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678589 (or 4678580 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 120888717543 in words is "one hundred twenty billion, eight hundred eighty-eight million, seven hundred seventeen thousand, five hundred forty-three".