13115402452 has 12 divisors (see below), whose sum is σ = 23440294080. Its totient is φ = 6418175576.

The previous prime is 13115402411. The next prime is 13115402477. The reversal of 13115402452 is 25420451131.

13115402452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13115402452² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13115402452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34881202 + ... + 34881577.

It is an arithmetic number, because the mean of its divisors is an integer number (1953357840).

Almost surely, 2^13115402452 is an apocalyptic number.

It is an amenable number.

13115402452 is a deficient number, since it is larger than the sum of its proper divisors (10324891628).

13115402452 is a wasteful number, since it uses less digits than its factorization.

13115402452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69762830 (or 69762828 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 13115402452 its reverse (25420451131), we get a palindrome (38535853583).

The spelling of 13115402452 in words is "thirteen billion, one hundred fifteen million, four hundred two thousand, four hundred fifty-two".