11003133120 has 112 divisors (see below), whose sum is σ = 39925678848. Its totient is φ = 2515000320.

The previous prime is 11003133103. The next prime is 11003133121. The reversal of 11003133120 is 2133130011.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11003133120.

It is not an unprimeable number, because it can be changed into a prime (11003133121) 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, 811966 + ... + 825405.

Almost surely, 2^11003133120 is an apocalyptic number.

11003133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003133120 is an abundant number, since it is smaller than the sum of its proper divisors (28922545728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11003133120 is a wasteful number, since it uses less digits than its factorization.

11003133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637398 (or 1637388 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11003133120 its reverse (2133130011), we get a palindrome (13136263131).

The spelling of 11003133120 in words is "eleven billion, three million, one hundred thirty-three thousand, one hundred twenty".