13243154125 has 8 divisors (see below), whose sum is σ = 16527456504. Its totient is φ = 10594523200.

The previous prime is 13243154069. The next prime is 13243154137. The reversal of 13243154125 is 52145134231.

It can be written as a sum of positive squares in 4 ways, for example, as 3012033924 + 10231120201 = 54882^2 + 101149^2 .

It is not a de Polignac number, because 13243154125 - 2¹⁹ = 13242629837 is a prime.

It is a super-2 number, since 2×13243154125² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52972492 + ... + 52972741.

It is an arithmetic number, because the mean of its divisors is an integer number (2065932063).

Almost surely, 2^13243154125 is an apocalyptic number.

It is an amenable number.

13243154125 is a deficient number, since it is larger than the sum of its proper divisors (3284302379).

13243154125 is an equidigital number, since it uses as much as digits as its factorization.

13243154125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105945248 (or 105945238 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 13243154125 its reverse (52145134231), we get a palindrome (65388288356).

The spelling of 13243154125 in words is "thirteen billion, two hundred forty-three million, one hundred fifty-four thousand, one hundred twenty-five".