11513028334 has 4 divisors (see below), whose sum is σ = 17269542504. Its totient is φ = 5756514166.

The previous prime is 11513028323. The next prime is 11513028343. The reversal of 11513028334 is 43382031511.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11513028296 and 11513028305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878257082 + ... + 2878257085.

It is an arithmetic number, because the mean of its divisors is an integer number (4317385626).

Almost surely, 2^11513028334 is an apocalyptic number.

11513028334 is a deficient number, since it is larger than the sum of its proper divisors (5756514170).

11513028334 is an equidigital number, since it uses as much as digits as its factorization.

11513028334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756514169.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 11513028334 its reverse (43382031511), we get a palindrome (54895059845).

The spelling of 11513028334 in words is "eleven billion, five hundred thirteen million, twenty-eight thousand, three hundred thirty-four".