11513045300421 has 16 divisors (see below), whose sum is σ = 17543740636800. Its totient is φ = 6578863318848.

The previous prime is 11513045300411. The next prime is 11513045300443. The reversal of 11513045300421 is 12400354031511.

It is not a de Polignac number, because 11513045300421 - 2¹⁰ = 11513045299397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513045300411) 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, 9197515 + ... + 10374023.

It is an arithmetic number, because the mean of its divisors is an integer number (1096483789800).

Almost surely, 2^{11513045300421} is an apocalyptic number.

It is an amenable number.

11513045300421 is a deficient number, since it is larger than the sum of its proper divisors (6030695336379).

11513045300421 is a wasteful number, since it uses less digits than its factorization.

11513045300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642508.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 11513045300421 its reverse (12400354031511), we get a palindrome (23913399331932).

The spelling of 11513045300421 in words is "eleven trillion, five hundred thirteen billion, forty-five million, three hundred thousand, four hundred twenty-one".