120543145035355 has 24 divisors (see below), whose sum is σ = 175584407186592. Its totient is φ = 79064323696512.

The previous prime is 120543145035317. The next prime is 120543145035407. The reversal of 120543145035355 is 553530541345021.

It is a happy number.

It is not a de Polignac number, because 120543145035355 - 2⁷ = 120543145035227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10695925602 + ... + 10695936871.

It is an arithmetic number, because the mean of its divisors is an integer number (7316016966108).

Almost surely, 2^{120543145035355} is an apocalyptic number.

120543145035355 is a deficient number, since it is larger than the sum of its proper divisors (55041262151237).

120543145035355 is a wasteful number, since it uses less digits than its factorization.

120543145035355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21391862515 (or 21391862508 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 120543145035355 in words is "one hundred twenty trillion, five hundred forty-three billion, one hundred forty-five million, thirty-five thousand, three hundred fifty-five".