22520525040011 has 4 divisors (see below), whose sum is σ = 22520796203232. Its totient is φ = 22520253876792.

The previous prime is 22520525039981. The next prime is 22520525040067. The reversal of 22520525040011 is 11004052502522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22520525040011 - 2¹⁰ = 22520525038987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22520525030011) 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, 135456995 + ... + 135623148.

It is an arithmetic number, because the mean of its divisors is an integer number (5630199050808).

Almost surely, 2^{22520525040011} is an apocalyptic number.

22520525040011 is a deficient number, since it is larger than the sum of its proper divisors (271163221).

22520525040011 is an equidigital number, since it uses as much as digits as its factorization.

22520525040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271163220.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 22520525040011 its reverse (11004052502522), we get a palindrome (33524577542533).

The spelling of 22520525040011 in words is "twenty-two trillion, five hundred twenty billion, five hundred twenty-five million, forty thousand, eleven".