120415145563 has 4 divisors (see below), whose sum is σ = 120416258128. Its totient is φ = 120414033000.

The previous prime is 120415145551. The next prime is 120415145567. The reversal of 120415145563 is 365541514021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 365541514021 = 290767 ⋅1257163.

It is a cyclic number.

It is not a de Polignac number, because 120415145563 - 2⁹ = 120415145051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120415145567) 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, 374031 + ... + 617032.

It is an arithmetic number, because the mean of its divisors is an integer number (30104064532).

Almost surely, 2^120415145563 is an apocalyptic number.

120415145563 is a deficient number, since it is larger than the sum of its proper divisors (1112565).

120415145563 is an equidigital number, since it uses as much as digits as its factorization.

120415145563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112564.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 120415145563 its reverse (365541514021), we get a palindrome (485956659584).

The spelling of 120415145563 in words is "one hundred twenty billion, four hundred fifteen million, one hundred forty-five thousand, five hundred sixty-three".