13215125034 has 24 divisors (see below), whose sum is σ = 29102163012. Its totient is φ = 4332827520.

The previous prime is 13215125009. The next prime is 13215125059. The reversal of 13215125034 is 43052151231.

13215125034 is a `hidden beast` number, since 1 + 3 + 2 + 151 + 2 + 503 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (13215125009) and next prime (13215125059).

It can be written as a sum of positive squares in 2 ways, for example, as 13202699409 + 12425625 = 114903^2 + 3525^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13215124989 and 13215125007.

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, 6016719 + ... + 6018914.

Almost surely, 2^13215125034 is an apocalyptic number.

13215125034 is an abundant number, since it is smaller than the sum of its proper divisors (15887037978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13215125034 is a wasteful number, since it uses less digits than its factorization.

13215125034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12035702 (or 12035699 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13215125034 its reverse (43052151231), we get a palindrome (56267276265).

The spelling of 13215125034 in words is "thirteen billion, two hundred fifteen million, one hundred twenty-five thousand, thirty-four".