120520055145515 has 16 divisors (see below), whose sum is σ = 149770773442080. Its totient is φ = 92992002405120.

The previous prime is 120520055145481. The next prime is 120520055145593. The reversal of 120520055145515 is 515541550025021.

It is not a de Polignac number, because 120520055145515 - 2¹⁰ = 120520055144491 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, 443392841 + ... + 443664570.

It is an arithmetic number, because the mean of its divisors is an integer number (9360673340130).

Almost surely, 2^{120520055145515} is an apocalyptic number.

120520055145515 is a deficient number, since it is larger than the sum of its proper divisors (29250718296565).

120520055145515 is an equidigital number, since it uses as much as digits as its factorization.

120520055145515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887058382.

The product of its (nonzero) digits is 250000, while the sum is 41.

The spelling of 120520055145515 in words is "one hundred twenty trillion, five hundred twenty billion, fifty-five million, one hundred forty-five thousand, five hundred fifteen".