13103111425 has 12 divisors (see below), whose sum is σ = 16249367340. Its totient is φ = 10481515520.

The previous prime is 13103111423. The next prime is 13103111447. The reversal of 13103111425 is 52411130131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 693374224 + 12409737201 = 26332^2 + 111399^2 .

It is not a de Polignac number, because 13103111425 - 2¹ = 13103111423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13103111396 and 13103111405.

It is not an unprimeable number, because it can be changed into a prime (13103111423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385521 + ... + 418129.

It is an arithmetic number, because the mean of its divisors is an integer number (1354113945).

Almost surely, 2^13103111425 is an apocalyptic number.

It is an amenable number.

13103111425 is a deficient number, since it is larger than the sum of its proper divisors (3146255915).

13103111425 is a wasteful number, since it uses less digits than its factorization.

13103111425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48692 (or 48687 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 13103111425 its reverse (52411130131), we get a palindrome (65514241556).

The spelling of 13103111425 in words is "thirteen billion, one hundred three million, one hundred eleven thousand, four hundred twenty-five".