22503011155 has 8 divisors (see below), whose sum is σ = 27010548432. Its totient is φ = 17997785568.

The previous prime is 22503011119. The next prime is 22503011161. The reversal of 22503011155 is 55111030522.

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

It is a cyclic number.

It is not a de Polignac number, because 22503011155 - 2⁹ = 22503010643 is a prime.

It is a super-2 number, since 2×22503011155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556432 + ... + 595501.

It is an arithmetic number, because the mean of its divisors is an integer number (3376318554).

Almost surely, 2^22503011155 is an apocalyptic number.

22503011155 is a deficient number, since it is larger than the sum of its proper divisors (4507537277).

22503011155 is a wasteful number, since it uses less digits than its factorization.

22503011155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155845.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 22503011155 its reverse (55111030522), we get a palindrome (77614041677).

The spelling of 22503011155 in words is "twenty-two billion, five hundred three million, eleven thousand, one hundred fifty-five".