2120034533615 has 16 divisors (see below), whose sum is σ = 2654827301376. Its totient is φ = 1622180128800.

The previous prime is 2120034533611. The next prime is 2120034533623. The reversal of 2120034533615 is 5163354300212.

It is a happy number.

It is not a de Polignac number, because 2120034533615 - 2² = 2120034533611 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 (2120034533611) 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, 1161830 + ... + 2364300.

It is an arithmetic number, because the mean of its divisors is an integer number (165926706336).

Almost surely, 2^{2120034533615} is an apocalyptic number.

2120034533615 is a deficient number, since it is larger than the sum of its proper divisors (534792767761).

2120034533615 is a wasteful number, since it uses less digits than its factorization.

2120034533615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217830.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 2120034533615 its reverse (5163354300212), we get a palindrome (7283388833827).

The spelling of 2120034533615 in words is "two trillion, one hundred twenty billion, thirty-four million, five hundred thirty-three thousand, six hundred fifteen".