120553555114551 has 8 divisors (see below), whose sum is σ = 173102540677360. Its totient is φ = 74186803147392.

The previous prime is 120553555114513. The next prime is 120553555114561. The reversal of 120553555114551 is 155411555355021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120553555114551 - 2⁹ = 120553555114039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120553555114551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120553555114561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545558398866 + ... + 1545558398943.

It is an arithmetic number, because the mean of its divisors is an integer number (21637817584670).

Almost surely, 2^{120553555114551} is an apocalyptic number.

120553555114551 is a deficient number, since it is larger than the sum of its proper divisors (52548985562809).

120553555114551 is a wasteful number, since it uses less digits than its factorization.

120553555114551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091116797825.

The product of its (nonzero) digits is 1875000, while the sum is 48.

The spelling of 120553555114551 in words is "one hundred twenty trillion, five hundred fifty-three billion, five hundred fifty-five million, one hundred fourteen thousand, five hundred fifty-one".