11111513003 has 16 divisors (see below), whose sum is σ = 11655091200. Its totient is φ = 10573104960.

The previous prime is 11111512969. The next prime is 11111513053. The reversal of 11111513003 is 30031511111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11111513003 - 2¹⁰ = 11111511979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111513053) 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, 7036268 + ... + 7037846.

It is an arithmetic number, because the mean of its divisors is an integer number (728443200).

Almost surely, 2^11111513003 is an apocalyptic number.

11111513003 is a deficient number, since it is larger than the sum of its proper divisors (543578197).

11111513003 is a wasteful number, since it uses less digits than its factorization.

11111513003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 45, while the sum is 17.

The spelling of 11111513003 in words is "eleven billion, one hundred eleven million, five hundred thirteen thousand, three".