11451122258 has 8 divisors (see below), whose sum is σ = 17302061052. Its totient is φ = 5683768576.

The previous prime is 11451122239. The next prime is 11451122269. The reversal of 11451122258 is 85222115411.

It can be written as a sum of positive squares in 2 ways, for example, as 11311811449 + 139310809 = 106357^2 + 11803^2 .

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

It is a super-2 number, since 2×11451122258² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20895935 + ... + 20896482.

Almost surely, 2^11451122258 is an apocalyptic number.

11451122258 is a deficient number, since it is larger than the sum of its proper divisors (5850938794).

11451122258 is a wasteful number, since it uses less digits than its factorization.

11451122258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41792556.

The product of its digits is 6400, while the sum is 32.

Adding to 11451122258 its reverse (85222115411), we get a palindrome (96673237669).

The spelling of 11451122258 in words is "eleven billion, four hundred fifty-one million, one hundred twenty-two thousand, two hundred fifty-eight".