120252405512355 has 16 divisors (see below), whose sum is σ = 194169021747360. Its totient is φ = 63546225297408.

The previous prime is 120252405512353. The next prime is 120252405512359. The reversal of 120252405512355 is 553215504252021.

It is not a de Polignac number, because 120252405512355 - 2¹ = 120252405512353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120252405512353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36774434302 + ... + 36774437571.

It is an arithmetic number, because the mean of its divisors is an integer number (12135563859210).

Almost surely, 2^{120252405512355} is an apocalyptic number.

120252405512355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120252405512355 is a deficient number, since it is larger than the sum of its proper divisors (73916616235005).

120252405512355 is a wasteful number, since it uses less digits than its factorization.

120252405512355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73548871990.

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 120252405512355 its reverse (553215504252021), we get a palindrome (673467909764376).

The spelling of 120252405512355 in words is "one hundred twenty trillion, two hundred fifty-two billion, four hundred five million, five hundred twelve thousand, three hundred fifty-five".