2111520604253 has 16 divisors (see below), whose sum is σ = 2187877824000. Its totient is φ = 2036554678080.

The previous prime is 2111520604213. The next prime is 2111520604327. The reversal of 2111520604253 is 3524060251112.

It is a cyclic number.

It is not a de Polignac number, because 2111520604253 - 2²⁸ = 2111252168797 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 (2111520604213) 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, 5501198 + ... + 5872496.

It is an arithmetic number, because the mean of its divisors is an integer number (136742364000).

Almost surely, 2^{2111520604253} is an apocalyptic number.

It is an amenable number.

2111520604253 is a deficient number, since it is larger than the sum of its proper divisors (76357219747).

2111520604253 is a wasteful number, since it uses less digits than its factorization.

2111520604253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373172.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 2111520604253 its reverse (3524060251112), we get a palindrome (5635580855365).

The spelling of 2111520604253 in words is "two trillion, one hundred eleven billion, five hundred twenty million, six hundred four thousand, two hundred fifty-three".