11304554503 has 16 divisors (see below), whose sum is σ = 12630141216. Its totient is φ = 10031523840.

The previous prime is 11304554501. The next prime is 11304554627. The reversal of 11304554503 is 30545540311.

It is a cyclic number.

It is not a de Polignac number, because 11304554503 - 2¹ = 11304554501 is a prime.

It is a super-3 number, since 3×11304554503³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304554501) 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, 5325 + ... + 150457.

It is an arithmetic number, because the mean of its divisors is an integer number (789383826).

Almost surely, 2^11304554503 is an apocalyptic number.

11304554503 is a deficient number, since it is larger than the sum of its proper divisors (1325586713).

11304554503 is a wasteful number, since it uses less digits than its factorization.

11304554503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145314.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 11304554503 in words is "eleven billion, three hundred four million, five hundred fifty-four thousand, five hundred three".