120615484516021 has 16 divisors (see below), whose sum is σ = 131698715194368. Its totient is φ = 109551958860400.

The previous prime is 120615484516019. The next prime is 120615484516073.

It is a happy number.

120615484516021 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 120615484516021 - 2¹ = 120615484516019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120615484916021) 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, 361964916 + ... + 362297986.

It is an arithmetic number, because the mean of its divisors is an integer number (8231169699648).

Almost surely, 2^{120615484516021} is an apocalyptic number.

120615484516021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120615484516021 is a deficient number, since it is larger than the sum of its proper divisors (11083230678347).

120615484516021 is a wasteful number, since it uses less digits than its factorization.

120615484516021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362552.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 120615484516021 in words is "one hundred twenty trillion, six hundred fifteen billion, four hundred eighty-four million, five hundred sixteen thousand, twenty-one".