11013210421040 has 40 divisors (see below), whose sum is σ = 27111932716320. Its totient is φ = 4146149805056.

The previous prime is 11013210421039. The next prime is 11013210421061. The reversal of 11013210421040 is 4012401231011.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4048973060 + ... + 4048975779.

It is an arithmetic number, because the mean of its divisors is an integer number (677798317908).

Almost surely, 2^{11013210421040} is an apocalyptic number.

11013210421040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013210421040 is an abundant number, since it is smaller than the sum of its proper divisors (16098722295280).

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

11013210421040 is a wasteful number, since it uses less digits than its factorization.

11013210421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097948869 (or 8097948863 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11013210421040 its reverse (4012401231011), we get a palindrome (15025611652051).

The spelling of 11013210421040 in words is "eleven trillion, thirteen billion, two hundred ten million, four hundred twenty-one thousand, forty".