11225744129 has 8 divisors (see below), whose sum is σ = 11440788840. Its totient is φ = 11010819456.

The previous prime is 11225744119. The next prime is 11225744161. The reversal of 11225744129 is 92144752211.

It can be written as a sum of positive squares in 4 ways, for example, as 1196122225 + 10029621904 = 34585^2 + 100148^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11225744129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11225744092 and 11225744101.

It is not an unprimeable number, because it can be changed into a prime (11225744119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171659 + ... + 227855.

It is an arithmetic number, because the mean of its divisors is an integer number (1430098605).

Almost surely, 2^11225744129 is an apocalyptic number.

It is an amenable number.

11225744129 is a deficient number, since it is larger than the sum of its proper divisors (215044711).

11225744129 is an equidigital number, since it uses as much as digits as its factorization.

11225744129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60019.

The product of its digits is 40320, while the sum is 38.

The spelling of 11225744129 in words is "eleven billion, two hundred twenty-five million, seven hundred forty-four thousand, one hundred twenty-nine".