11413011321020 has 24 divisors (see below), whose sum is σ = 23985717784224. Its totient is φ = 4561700907456.

The previous prime is 11413011321017. The next prime is 11413011321037. The reversal of 11413011321020 is 2012311031411.

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

It is a junction number, because it is equal to n+sod(n) for n = 11413011320983 and 11413011321001.

It is a congruent number.

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, 218949599 + ... + 219001718.

It is an arithmetic number, because the mean of its divisors is an integer number (999404907676).

Almost surely, 2^{11413011321020} is an apocalyptic number.

11413011321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11413011321020 is an abundant number, since it is smaller than the sum of its proper divisors (12572706463204).

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

11413011321020 is a wasteful number, since it uses less digits than its factorization.

11413011321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437952629 (or 437952627 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11413011321020 its reverse (2012311031411), we get a palindrome (13425322352431).

The spelling of 11413011321020 in words is "eleven trillion, four hundred thirteen billion, eleven million, three hundred twenty-one thousand, twenty".