2111504504393 has 4 divisors (see below), whose sum is σ = 2111512431120. Its totient is φ = 2111496577668.

The previous prime is 2111504504371. The next prime is 2111504504407. The reversal of 2111504504393 is 3934054051112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111504504393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111504504363) 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, 3549383 + ... + 4101356.

It is an arithmetic number, because the mean of its divisors is an integer number (527878107780).

Almost surely, 2^{2111504504393} is an apocalyptic number.

It is an amenable number.

2111504504393 is a deficient number, since it is larger than the sum of its proper divisors (7926727).

2111504504393 is an equidigital number, since it uses as much as digits as its factorization.

2111504504393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926726.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 2111504504393 in words is "two trillion, one hundred eleven billion, five hundred four million, five hundred four thousand, three hundred ninety-three".