22540311115 has 16 divisors (see below), whose sum is σ = 31029977088. Its totient is φ = 15397438176.

The previous prime is 22540311107. The next prime is 22540311133. The reversal of 22540311115 is 51111304522.

It is a cyclic number.

It is not a de Polignac number, because 22540311115 - 2³ = 22540311107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22540311115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215147 + ... + 1233556.

It is an arithmetic number, because the mean of its divisors is an integer number (1939373568).

Almost surely, 2^22540311115 is an apocalyptic number.

22540311115 is a deficient number, since it is larger than the sum of its proper divisors (8489665973).

22540311115 is a wasteful number, since it uses less digits than its factorization.

22540311115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448978.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 22540311115 its reverse (51111304522), we get a palindrome (73651615637).

The spelling of 22540311115 in words is "twenty-two billion, five hundred forty million, three hundred eleven thousand, one hundred fifteen".