120542255125011 has 16 divisors (see below), whose sum is σ = 179360948925600. Its totient is φ = 80010579816864.

The previous prime is 120542255124997. The next prime is 120542255125037. The reversal of 120542255125011 is 110521552245021.

120542255125011 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 42 + 2 + 551 + 2 + 50 + 11 = 666.

It is not a de Polignac number, because 120542255125011 - 2⁵ = 120542255124979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120542255127011) 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, 9747871476 + ... + 9747883841.

It is an arithmetic number, because the mean of its divisors is an integer number (11210059307850).

Almost surely, 2^{120542255125011} is an apocalyptic number.

120542255125011 is a deficient number, since it is larger than the sum of its proper divisors (58818693800589).

120542255125011 is a wasteful number, since it uses less digits than its factorization.

120542255125011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495755555 (or 19495755549 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 120542255125011 in words is "one hundred twenty trillion, five hundred forty-two billion, two hundred fifty-five million, one hundred twenty-five thousand, eleven".