11464238512021 has 4 divisors (see below), whose sum is σ = 11464247516544. Its totient is φ = 11464229507500.

The previous prime is 11464238511911. The next prime is 11464238512073. The reversal of 11464238512021 is 12021583246411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11464238512021 - 2³⁷ = 11326799558549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11464238512091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200135 + ... + 5269636.

It is an arithmetic number, because the mean of its divisors is an integer number (2866061879136).

Almost surely, 2^{11464238512021} is an apocalyptic number.

It is an amenable number.

11464238512021 is a deficient number, since it is larger than the sum of its proper divisors (9004523).

11464238512021 is an equidigital number, since it uses as much as digits as its factorization.

11464238512021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004522.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 11464238512021 in words is "eleven trillion, four hundred sixty-four billion, two hundred thirty-eight million, five hundred twelve thousand, twenty-one".