13541012225 has 12 divisors (see below), whose sum is σ = 18082459836. Its totient is φ = 9999516480.

The previous prime is 13541012213. The next prime is 13541012263. The reversal of 13541012225 is 52221014531.

It can be written as a sum of positive squares in 6 ways, for example, as 83156161 + 13457856064 = 9119^2 + 116008^2 .

It is not a de Polignac number, because 13541012225 - 2⁴ = 13541012209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13541012194 and 13541012203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20832002 + ... + 20832651.

It is an arithmetic number, because the mean of its divisors is an integer number (1506871653).

Almost surely, 2^13541012225 is an apocalyptic number.

It is an amenable number.

13541012225 is a deficient number, since it is larger than the sum of its proper divisors (4541447611).

13541012225 is a wasteful number, since it uses less digits than its factorization.

13541012225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41664676 (or 41664671 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 13541012225 its reverse (52221014531), we get a palindrome (65762026756).

The spelling of 13541012225 in words is "thirteen billion, five hundred forty-one million, twelve thousand, two hundred twenty-five".