11154422612 has 12 divisors (see below), whose sum is σ = 19888546356. Its totient is φ = 5471980800.

The previous prime is 11154422593. The next prime is 11154422621. The reversal of 11154422612 is 21622445111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9705402256 + 1449020356 = 98516^2 + 38066^2 .

It is a super-2 number, since 2×11154422612² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26307389 + ... + 26307812.

It is an arithmetic number, because the mean of its divisors is an integer number (1657378863).

Almost surely, 2^11154422612 is an apocalyptic number.

It is an amenable number.

11154422612 is a deficient number, since it is larger than the sum of its proper divisors (8734123744).

11154422612 is a wasteful number, since it uses less digits than its factorization.

11154422612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52615258 (or 52615256 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

Adding to 11154422612 its reverse (21622445111), we get a palindrome (32776867723).

The spelling of 11154422612 in words is "eleven billion, one hundred fifty-four million, four hundred twenty-two thousand, six hundred twelve".