22520235011051 has 4 divisors (see below), whose sum is σ = 22655086717872. Its totient is φ = 22385383304232.

The previous prime is 22520235011017. The next prime is 22520235011059. The reversal of 22520235011051 is 15011053202522.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22520235011051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22520235011059) 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, 67425853160 + ... + 67425853493.

It is an arithmetic number, because the mean of its divisors is an integer number (5663771679468).

Almost surely, 2^{22520235011051} is an apocalyptic number.

22520235011051 is a deficient number, since it is larger than the sum of its proper divisors (134851706821).

22520235011051 is a wasteful number, since it uses less digits than its factorization.

22520235011051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134851706820.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 22520235011051 its reverse (15011053202522), we get a palindrome (37531288213573).

The spelling of 22520235011051 in words is "twenty-two trillion, five hundred twenty billion, two hundred thirty-five million, eleven thousand, fifty-one".