13551550100545 has 8 divisors (see below), whose sum is σ = 16272017444520. Its totient is φ = 10834468531200.

The previous prime is 13551550100527. The next prime is 13551550100573. The reversal of 13551550100545 is 54500105515531.

It can be written as a sum of positive squares in 4 ways, for example, as 9322567610944 + 4228982489601 = 3053288^2 + 2056449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13551550100545 is a prime.

It is a super-3 number, since 3×13551550100545³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13551550100498 and 13551550100507.

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, 846434850 + ... + 846450859.

It is an arithmetic number, because the mean of its divisors is an integer number (2034002180565).

Almost surely, 2^{13551550100545} is an apocalyptic number.

It is an amenable number.

13551550100545 is a deficient number, since it is larger than the sum of its proper divisors (2720467343975).

13551550100545 is a wasteful number, since it uses less digits than its factorization.

13551550100545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692887315.

The product of its (nonzero) digits is 187500, while the sum is 40.

The spelling of 13551550100545 in words is "thirteen trillion, five hundred fifty-one billion, five hundred fifty million, one hundred thousand, five hundred forty-five".