11526456238 has 16 divisors (see below), whose sum is σ = 18910734336. Its totient is φ = 5225614840.

The previous prime is 11526456209. The next prime is 11526456241. The reversal of 11526456238 is 83265462511.

It is a super-2 number, since 2×11526456238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11526456194 and 11526456203.

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 7 ways as a sum of consecutive naturals, for example, 675556 + ... + 692407.

It is an arithmetic number, because the mean of its divisors is an integer number (1181920896).

Almost surely, 2^11526456238 is an apocalyptic number.

11526456238 is a deficient number, since it is larger than the sum of its proper divisors (7384278098).

11526456238 is a wasteful number, since it uses less digits than its factorization.

11526456238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368359.

The product of its digits is 345600, while the sum is 43.

It can be divided in two parts, 11526 and 456238, that added together give a palindrome (467764).

The spelling of 11526456238 in words is "eleven billion, five hundred twenty-six million, four hundred fifty-six thousand, two hundred thirty-eight".