120204544531415 has 4 divisors (see below), whose sum is σ = 144245453437704. Its totient is φ = 96163635625128.

The previous prime is 120204544531369. The next prime is 120204544531429. The reversal of 120204544531415 is 514135445402021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120204544531415 - 2¹⁰ = 120204544530391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12020454453137 + ... + 12020454453146.

It is an arithmetic number, because the mean of its divisors is an integer number (36061363359426).

Almost surely, 2^{120204544531415} is an apocalyptic number.

120204544531415 is a deficient number, since it is larger than the sum of its proper divisors (24040908906289).

120204544531415 is an equidigital number, since it uses as much as digits as its factorization.

120204544531415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24040908906288.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 120204544531415 its reverse (514135445402021), we get a palindrome (634339989933436).

The spelling of 120204544531415 in words is "one hundred twenty trillion, two hundred four billion, five hundred forty-four million, five hundred thirty-one thousand, four hundred fifteen".