11101311003 has 32 divisors (see below), whose sum is σ = 15606646272. Its totient is φ = 7012051200.

The previous prime is 11101310923. The next prime is 11101311019. The reversal of 11101311003 is 30011310111.

It is not a de Polignac number, because 11101311003 - 2⁹ = 11101310491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11101311003.

It is not an unprimeable number, because it can be changed into a prime (11101311043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575625 + ... + 594597.

It is an arithmetic number, because the mean of its divisors is an integer number (487707696).

Almost surely, 2^11101311003 is an apocalyptic number.

11101311003 is a deficient number, since it is larger than the sum of its proper divisors (4505335269).

11101311003 is a wasteful number, since it uses less digits than its factorization.

11101311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19155.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11101311003 its reverse (30011310111), we get a palindrome (41112621114).

The spelling of 11101311003 in words is "eleven billion, one hundred one million, three hundred eleven thousand, three".