1130511330523 has 4 divisors (see below), whose sum is σ = 1131054586488. Its totient is φ = 1129968074560.

The previous prime is 1130511330407. The next prime is 1130511330563. The reversal of 1130511330523 is 3250331150311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130511330523 - 2³⁷ = 993072377051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130511330491 and 1130511330500.

It is not an unprimeable number, because it can be changed into a prime (1130511330563) 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, 271624861 + ... + 271629022.

It is an arithmetic number, because the mean of its divisors is an integer number (282763646622).

Almost surely, 2^{1130511330523} is an apocalyptic number.

1130511330523 is a deficient number, since it is larger than the sum of its proper divisors (543255965).

1130511330523 is an equidigital number, since it uses as much as digits as its factorization.

1130511330523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543255964.

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 1130511330523 its reverse (3250331150311), we get a palindrome (4380842480834).

The spelling of 1130511330523 in words is "one trillion, one hundred thirty billion, five hundred eleven million, three hundred thirty thousand, five hundred twenty-three".