11451123123226 has 16 divisors (see below), whose sum is σ = 17769075170400. Its totient is φ = 5528100089008.

The previous prime is 11451123123199. The next prime is 11451123123257. The reversal of 11451123123226 is 62232132115411.

It is a super-2 number, since 2×11451123123226² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11451123123191 and 11451123123200.

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, 14957265 + ... + 15704203.

It is an arithmetic number, because the mean of its divisors is an integer number (1110567198150).

Almost surely, 2^{11451123123226} is an apocalyptic number.

11451123123226 is a deficient number, since it is larger than the sum of its proper divisors (6317952047174).

11451123123226 is a wasteful number, since it uses less digits than its factorization.

11451123123226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011293.

The product of its digits is 17280, while the sum is 34.

Adding to 11451123123226 its reverse (62232132115411), we get a palindrome (73683255238637).

The spelling of 11451123123226 in words is "eleven trillion, four hundred fifty-one billion, one hundred twenty-three million, one hundred twenty-three thousand, two hundred twenty-six".