225113081029 has 4 divisors (see below), whose sum is σ = 227642441580. Its totient is φ = 222583720480.

The previous prime is 225113081023. The next prime is 225113081041. The reversal of 225113081029 is 920180311522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920180311522 = 2 ⋅460090155761.

It can be written as a sum of positive squares in 2 ways, for example, as 93617640900 + 131495440129 = 305970^2 + 362623^2 .

It is a cyclic number.

It is not a de Polignac number, because 225113081029 - 2¹⁵ = 225113048261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225113080985 and 225113081003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225113081023) 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, 1264680142 + ... + 1264680319.

It is an arithmetic number, because the mean of its divisors is an integer number (56910610395).

Almost surely, 2^225113081029 is an apocalyptic number.

It is an amenable number.

225113081029 is a deficient number, since it is larger than the sum of its proper divisors (2529360551).

225113081029 is an equidigital number, since it uses as much as digits as its factorization.

225113081029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529360550.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 225113081029 in words is "two hundred twenty-five billion, one hundred thirteen million, eighty-one thousand, twenty-nine".