13260111542 has 16 divisors (see below), whose sum is σ = 19964313600. Its totient is φ = 6605383680.

The previous prime is 13260111539. The next prime is 13260111587. The reversal of 13260111542 is 24511106231.

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, 637259 + ... + 657737.

It is an arithmetic number, because the mean of its divisors is an integer number (1247769600).

Almost surely, 2^13260111542 is an apocalyptic number.

13260111542 is a deficient number, since it is larger than the sum of its proper divisors (6704202058).

13260111542 is a wasteful number, since it uses less digits than its factorization.

13260111542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21671.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 13260111542 its reverse (24511106231), we get a palindrome (37771217773).

The spelling of 13260111542 in words is "thirteen billion, two hundred sixty million, one hundred eleven thousand, five hundred forty-two".