22511125401 has 8 divisors (see below), whose sum is σ = 30028356864. Its totient is φ = 15000655440.

The previous prime is 22511125397. The next prime is 22511125453. The reversal of 22511125401 is 10452111522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22511125401 - 2² = 22511125397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22511125201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682601 + ... + 1695926.

It is an arithmetic number, because the mean of its divisors is an integer number (3753544608).

Almost surely, 2^22511125401 is an apocalyptic number.

It is an amenable number.

22511125401 is a deficient number, since it is larger than the sum of its proper divisors (7517231463).

22511125401 is a wasteful number, since it uses less digits than its factorization.

22511125401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380751.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 22511125401 its reverse (10452111522), we get a palindrome (32963236923).

The spelling of 22511125401 in words is "twenty-two billion, five hundred eleven million, one hundred twenty-five thousand, four hundred one".