13405535242152 has 32 divisors (see below), whose sum is σ = 33542215685280. Its totient is φ = 4464728070080.

The previous prime is 13405535242147. The next prime is 13405535242163. The reversal of 13405535242152 is 25124253550431.

It is a super-2 number, since 2×13405535242152² (a number of 27 digits) contains 22 as substring.

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, 236450898 + ... + 236507585.

It is an arithmetic number, because the mean of its divisors is an integer number (1048194240165).

Almost surely, 2^{13405535242152} is an apocalyptic number.

13405535242152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13405535242152 is an abundant number, since it is smaller than the sum of its proper divisors (20136680443128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13405535242152 is a wasteful number, since it uses less digits than its factorization.

13405535242152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472959673 (or 472959669 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 13405535242152 its reverse (25124253550431), we get a palindrome (38529788792583).

The spelling of 13405535242152 in words is "thirteen trillion, four hundred five billion, five hundred thirty-five million, two hundred forty-two thousand, one hundred fifty-two".