13155430320045 has 48 divisors (see below), whose sum is σ = 24973020334080. Its totient is φ = 6366748007808.

The previous prime is 13155430320037. The next prime is 13155430320059. The reversal of 13155430320045 is 54002303455131.

13155430320045 is a `hidden beast` number, since 1 + 3 + 1 + 554 + 30 + 32 + 0 + 0 + 45 = 666.

It is not a de Polignac number, because 13155430320045 - 2³ = 13155430320037 is a prime.

It is a super-2 number, since 2×13155430320045² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13155430319991 and 13155430320009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190541037 + ... + 190610066.

It is an arithmetic number, because the mean of its divisors is an integer number (520271256960).

Almost surely, 2^{13155430320045} is an apocalyptic number.

13155430320045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13155430320045 is a deficient number, since it is larger than the sum of its proper divisors (11817590014035).

13155430320045 is a wasteful number, since it uses less digits than its factorization.

13155430320045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381151186 (or 381151183 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 13155430320045 its reverse (54002303455131), we get a palindrome (67157733775176).

The spelling of 13155430320045 in words is "thirteen trillion, one hundred fifty-five billion, four hundred thirty million, three hundred twenty thousand, forty-five".