11272340426 has 32 divisors (see below), whose sum is σ = 17857227600. Its totient is φ = 5328852480.

The previous prime is 11272340423. The next prime is 11272340441. The reversal of 11272340426 is 62404327211.

It can be written as a sum of positive squares in 8 ways, for example, as 6130733401 + 5141607025 = 78299^2 + 71705^2 .

It is a super-2 number, since 2×11272340426² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11272340392 and 11272340401.

It is not an unprimeable number, because it can be changed into a prime (11272340423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803246 + ... + 817158.

Almost surely, 2^11272340426 is an apocalyptic number.

11272340426 is a deficient number, since it is larger than the sum of its proper divisors (6584887174).

11272340426 is a wasteful number, since it uses less digits than its factorization.

11272340426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14234.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 11272340426 its reverse (62404327211), we get a palindrome (73676667637).

The spelling of 11272340426 in words is "eleven billion, two hundred seventy-two million, three hundred forty thousand, four hundred twenty-six".