13115242562 has 4 divisors (see below), whose sum is σ = 19672863846. Its totient is φ = 6557621280.

The previous prime is 13115242549. The next prime is 13115242579. The reversal of 13115242562 is 26524251131.

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

It can be written as a sum of positive squares in only one way, i.e., 11659896361 + 1455346201 = 107981^2 + 38149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278810639 + ... + 3278810642.

Almost surely, 2^13115242562 is an apocalyptic number.

13115242562 is a deficient number, since it is larger than the sum of its proper divisors (6557621284).

13115242562 is an equidigital number, since it uses as much as digits as its factorization.

13115242562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557621283.

The product of its digits is 14400, while the sum is 32.

Adding to 13115242562 its reverse (26524251131), we get a palindrome (39639493693).

The spelling of 13115242562 in words is "thirteen billion, one hundred fifteen million, two hundred forty-two thousand, five hundred sixty-two".