2111504512604 has 12 divisors (see below), whose sum is σ = 3695161747200. Its totient is φ = 1055744013408.

The previous prime is 2111504512571. The next prime is 2111504512613. The reversal of 2111504512604 is 4062154051112.

It is a happy 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, 1465244 + ... + 2523875.

It is an arithmetic number, because the mean of its divisors is an integer number (307930145600).

Almost surely, 2^{2111504512604} is an apocalyptic number.

It is an amenable number.

2111504512604 is a deficient number, since it is larger than the sum of its proper divisors (1583657234596).

2111504512604 is a wasteful number, since it uses less digits than its factorization.

2111504512604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121452 (or 4121450 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 2111504512604 its reverse (4062154051112), we get a palindrome (6173658563716).

The spelling of 2111504512604 in words is "two trillion, one hundred eleven billion, five hundred four million, five hundred twelve thousand, six hundred four".