11226171553 has 4 divisors (see below), whose sum is σ = 11240695188. Its totient is φ = 11211647920.

The previous prime is 11226171547. The next prime is 11226171559. The reversal of 11226171553 is 35517162211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11226171547) and next prime (11226171559).

It can be written as a sum of positive squares in 2 ways, for example, as 4731101089 + 6495070464 = 68783^2 + 80592^2 .

It is a cyclic number.

It is not a de Polignac number, because 11226171553 - 2²¹ = 11224074401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11226171559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7260658 + ... + 7262203.

It is an arithmetic number, because the mean of its divisors is an integer number (2810173797).

Almost surely, 2^11226171553 is an apocalyptic number.

It is an amenable number.

11226171553 is a deficient number, since it is larger than the sum of its proper divisors (14523635).

11226171553 is an equidigital number, since it uses as much as digits as its factorization.

11226171553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14523634.

The product of its digits is 12600, while the sum is 34.

The spelling of 11226171553 in words is "eleven billion, two hundred twenty-six million, one hundred seventy-one thousand, five hundred fifty-three".