13261152242 has 8 divisors (see below), whose sum is σ = 21421861356. Its totient is φ = 6120531792.

The previous prime is 13261152221. The next prime is 13261152263. The reversal of 13261152242 is 24225116231.

It is an interprime number because it is at equal distance from previous prime (13261152221) and next prime (13261152263).

It can be written as a sum of positive squares in 2 ways, for example, as 12271986841 + 989165401 = 110779^2 + 31451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255022133 + ... + 255022184.

Almost surely, 2^13261152242 is an apocalyptic number.

13261152242 is a deficient number, since it is larger than the sum of its proper divisors (8160709114).

13261152242 is a wasteful number, since it uses less digits than its factorization.

13261152242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510044332.

The product of its digits is 5760, while the sum is 29.

Adding to 13261152242 its reverse (24225116231), we get a palindrome (37486268473).

The spelling of 13261152242 in words is "thirteen billion, two hundred sixty-one million, one hundred fifty-two thousand, two hundred forty-two".