22053461306521 has 4 divisors (see below), whose sum is σ = 22150613118672. Its totient is φ = 21956309494372.

The previous prime is 22053461306509. The next prime is 22053461306557. The reversal of 22053461306521 is 12560316435022.

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.

It is a cyclic number.

It is not a de Polignac number, because 22053461306521 - 2¹¹ = 22053461304473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22053461306581) 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, 48575905735 + ... + 48575906188.

It is an arithmetic number, because the mean of its divisors is an integer number (5537653279668).

Almost surely, 2^{22053461306521} is an apocalyptic number.

It is an amenable number.

22053461306521 is a deficient number, since it is larger than the sum of its proper divisors (97151812151).

22053461306521 is an equidigital number, since it uses as much as digits as its factorization.

22053461306521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97151812150.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 22053461306521 in words is "twenty-two trillion, fifty-three billion, four hundred sixty-one million, three hundred six thousand, five hundred twenty-one".