11225569471 has 4 divisors (see below), whose sum is σ = 11393115352. Its totient is φ = 11058023592.

The previous prime is 11225569463. The next prime is 11225569483. The reversal of 11225569471 is 17496552211.

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

It is a cyclic number.

It is not a de Polignac number, because 11225569471 - 2³ = 11225569463 is a prime.

It is a super-3 number, since 3×11225569471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225560471) 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, 83772840 + ... + 83772973.

It is an arithmetic number, because the mean of its divisors is an integer number (2848278838).

Almost surely, 2^11225569471 is an apocalyptic number.

11225569471 is a deficient number, since it is larger than the sum of its proper divisors (167545881).

11225569471 is an equidigital number, since it uses as much as digits as its factorization.

11225569471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167545880.

The product of its digits is 151200, while the sum is 43.

The spelling of 11225569471 in words is "eleven billion, two hundred twenty-five million, five hundred sixty-nine thousand, four hundred seventy-one".