15135213001 has 4 divisors (see below), whose sum is σ = 15137981892. Its totient is φ = 15132444112.

The previous prime is 15135212857. The next prime is 15135213019. The reversal of 15135213001 is 10031253151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7974668601 + 7160544400 = 89301^2 + 84620^2 .

It is a cyclic number.

It is not a de Polignac number, because 15135213001 - 2²⁹ = 14598342089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15135213061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376230 + ... + 1387183.

It is an arithmetic number, because the mean of its divisors is an integer number (3784495473).

Almost surely, 2^15135213001 is an apocalyptic number.

It is an amenable number.

15135213001 is a deficient number, since it is larger than the sum of its proper divisors (2768891).

15135213001 is an equidigital number, since it uses as much as digits as its factorization.

15135213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768890.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 15135213001 its reverse (10031253151), we get a palindrome (25166466152).

The spelling of 15135213001 in words is "fifteen billion, one hundred thirty-five million, two hundred thirteen thousand, one".