120091215005 has 4 divisors (see below), whose sum is σ = 144109458012. Its totient is φ = 96072972000.

The previous prime is 120091214983. The next prime is 120091215007. The reversal of 120091215005 is 500512190021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500512190021 = 132499 ⋅3777479.

It can be written as a sum of positive squares in 2 ways, for example, as 49899071161 + 70192143844 = 223381^2 + 264938^2 .

It is not a de Polignac number, because 120091215005 - 2¹⁶ = 120091149469 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 (120091215007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12009121496 + ... + 12009121505.

It is an arithmetic number, because the mean of its divisors is an integer number (36027364503).

Almost surely, 2^120091215005 is an apocalyptic number.

It is an amenable number.

120091215005 is a deficient number, since it is larger than the sum of its proper divisors (24018243007).

120091215005 is an equidigital number, since it uses as much as digits as its factorization.

120091215005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24018243006.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 120091215005 in words is "one hundred twenty billion, ninety-one million, two hundred fifteen thousand, five".