11091403020 has 24 divisors (see below), whose sum is σ = 31055928624. Its totient is φ = 2957707456.

The previous prime is 11091402977. The next prime is 11091403021. The reversal of 11091403020 is 2030419011.

It is not an unprimeable number, because it can be changed into a prime (11091403021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92428299 + ... + 92428418.

It is an arithmetic number, because the mean of its divisors is an integer number (1293997026).

Almost surely, 2^11091403020 is an apocalyptic number.

11091403020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11091403020 is an abundant number, since it is smaller than the sum of its proper divisors (19964525604).

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

11091403020 is a wasteful number, since it uses less digits than its factorization.

11091403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184856729 (or 184856727 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 11091403020 in words is "eleven billion, ninety-one million, four hundred three thousand, twenty".