11154304534 has 4 divisors (see below), whose sum is σ = 16731456804. Its totient is φ = 5577152266.

The previous prime is 11154304523. The next prime is 11154304543. The reversal of 11154304534 is 43540345111.

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 = 11154304496 and 11154304505.

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, 2788576132 + ... + 2788576135.

It is an arithmetic number, because the mean of its divisors is an integer number (4182864201).

Almost surely, 2^11154304534 is an apocalyptic number.

11154304534 is a deficient number, since it is larger than the sum of its proper divisors (5577152270).

11154304534 is an equidigital number, since it uses as much as digits as its factorization.

11154304534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577152269.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 11154304534 its reverse (43540345111), we get a palindrome (54694649645).

The spelling of 11154304534 in words is "eleven billion, one hundred fifty-four million, three hundred four thousand, five hundred thirty-four".