120452415555 has 16 divisors (see below), whose sum is σ = 192977133984. Its totient is φ = 64156865280.

The previous prime is 120452415541. The next prime is 120452415571. The reversal of 120452415555 is 555514254021.

It is a happy number.

It is not a de Polignac number, because 120452415555 - 2⁴ = 120452415539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5264644 + ... + 5287473.

It is an arithmetic number, because the mean of its divisors is an integer number (12061070874).

Almost surely, 2^120452415555 is an apocalyptic number.

120452415555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120452415555 is a deficient number, since it is larger than the sum of its proper divisors (72524718429).

120452415555 is a wasteful number, since it uses less digits than its factorization.

120452415555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10552886.

The product of its (nonzero) digits is 200000, while the sum is 39.

Adding to 120452415555 its reverse (555514254021), we get a palindrome (675966669576).

The spelling of 120452415555 in words is "one hundred twenty billion, four hundred fifty-two million, four hundred fifteen thousand, five hundred fifty-five".