13652331121 has 16 divisors (see below), whose sum is σ = 16119734400. Its totient is φ = 11398907520.

The previous prime is 13652331113. The next prime is 13652331169. The reversal of 13652331121 is 12113325631.

It is a happy number.

It is not a de Polignac number, because 13652331121 - 2³ = 13652331113 is a prime.

It is a super-2 number, since 2×13652331121² (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 13652331121.

It is not an unprimeable number, because it can be changed into a prime (13652331221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211420 + ... + 268333.

It is an arithmetic number, because the mean of its divisors is an integer number (1007483400).

Almost surely, 2^13652331121 is an apocalyptic number.

13652331121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13652331121 is a deficient number, since it is larger than the sum of its proper divisors (2467403279).

13652331121 is a wasteful number, since it uses less digits than its factorization.

13652331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479976.

The product of its digits is 3240, while the sum is 28.

Adding to 13652331121 its reverse (12113325631), we get a palindrome (25765656752).

The spelling of 13652331121 in words is "thirteen billion, six hundred fifty-two million, three hundred thirty-one thousand, one hundred twenty-one".