120440545524555 has 16 divisors (see below), whose sum is σ = 193312774653984. Its totient is φ = 64032323674880.

The previous prime is 120440545524451. The next prime is 120440545524581. The reversal of 120440545524555 is 555425545044021.

It is not a de Polignac number, because 120440545524555 - 2¹⁵ = 120440545491787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120440545524498 and 120440545524507.

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, 12664616226 + ... + 12664625735.

It is an arithmetic number, because the mean of its divisors is an integer number (12082048415874).

Almost surely, 2^{120440545524555} is an apocalyptic number.

120440545524555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120440545524555 is a deficient number, since it is larger than the sum of its proper divisors (72872229129429).

120440545524555 is a wasteful number, since it uses less digits than its factorization.

120440545524555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25329242286.

The product of its (nonzero) digits is 16000000, while the sum is 51.

The spelling of 120440545524555 in words is "one hundred twenty trillion, four hundred forty billion, five hundred forty-five million, five hundred twenty-four thousand, five hundred fifty-five".