13551435351555 has 8 divisors (see below), whose sum is σ = 21682296562512. Its totient is φ = 7227432187488.

The previous prime is 13551435351551. The next prime is 13551435351557. The reversal of 13551435351555 is 55515353415531.

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

It is not a de Polignac number, because 13551435351555 - 2² = 13551435351551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13551435351498 and 13551435351507.

It is not an unprimeable number, because it can be changed into a prime (13551435351551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451714511704 + ... + 451714511733.

It is an arithmetic number, because the mean of its divisors is an integer number (2710287070314).

Almost surely, 2^{13551435351555} is an apocalyptic number.

13551435351555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13551435351555 is a deficient number, since it is larger than the sum of its proper divisors (8130861210957).

13551435351555 is an equidigital number, since it uses as much as digits as its factorization.

13551435351555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903429023445.

The product of its digits is 8437500, while the sum is 51.

The spelling of 13551435351555 in words is "thirteen trillion, five hundred fifty-one billion, four hundred thirty-five million, three hundred fifty-one thousand, five hundred fifty-five".