13154330552345 has 24 divisors (see below), whose sum is σ = 16220350574232. Its totient is φ = 10240931036160.

The previous prime is 13154330552177. The next prime is 13154330552369. The reversal of 13154330552345 is 54325503345131.

It can be written as a sum of positive squares in 12 ways, for example, as 5729948100361 + 7424382451984 = 2393731^2 + 2724772^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13154330552345 is a prime.

It is a super-2 number, since 2×13154330552345² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13154330552296 and 13154330552305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1365677 + ... + 5307893.

It is an arithmetic number, because the mean of its divisors is an integer number (675847940593).

Almost surely, 2^{13154330552345} is an apocalyptic number.

It is an amenable number.

13154330552345 is a deficient number, since it is larger than the sum of its proper divisors (3066020021887).

13154330552345 is an equidigital number, since it uses as much as digits as its factorization.

13154330552345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942701 (or 3942660 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 44.

Adding to 13154330552345 its reverse (54325503345131), we get a palindrome (67479833897476).

The spelling of 13154330552345 in words is "thirteen trillion, one hundred fifty-four billion, three hundred thirty million, five hundred fifty-two thousand, three hundred forty-five".