2111136030523 has 16 divisors (see below), whose sum is σ = 2304860576256. Its totient is φ = 1921891415040.

The previous prime is 2111136030503. The next prime is 2111136030589. The reversal of 2111136030523 is 3250306311112.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111136030523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111136030491 and 2111136030500.

It is not an unprimeable number, because it can be changed into a prime (2111136030503) 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, 12688038 + ... + 12853348.

It is an arithmetic number, because the mean of its divisors is an integer number (144053786016).

Almost surely, 2^{2111136030523} is an apocalyptic number.

2111136030523 is a deficient number, since it is larger than the sum of its proper divisors (193724545733).

2111136030523 is a wasteful number, since it uses less digits than its factorization.

2111136030523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178854.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 2111136030523 in words is "two trillion, one hundred eleven billion, one hundred thirty-six million, thirty thousand, five hundred twenty-three".