11513211352020 has 288 divisors, whose sum is σ = 42553393666560. Its totient is φ = 2575599586560.

The previous prime is 11513211351959. The next prime is 11513211352037. The reversal of 11513211352020 is 2025311231511.

11513211352020 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 3 + 2 + 113 + 520 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3385291 + ... + 5872530.

It is an arithmetic number, because the mean of its divisors is an integer number (147754839120).

Almost surely, 2^{11513211352020} is an apocalyptic number.

11513211352020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11513211352020 is an abundant number, since it is smaller than the sum of its proper divisors (31040182314540).

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

11513211352020 is a wasteful number, since it uses less digits than its factorization.

11513211352020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257900 (or 9257885 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 11513211352020 its reverse (2025311231511), we get a palindrome (13538522583531).

The spelling of 11513211352020 in words is "eleven trillion, five hundred thirteen billion, two hundred eleven million, three hundred fifty-two thousand, twenty".