13551013405501 has 32 divisors (see below), whose sum is σ = 16233724346112. Its totient is φ = 11147793346560.

The previous prime is 13551013405453. The next prime is 13551013405547. The reversal of 13551013405501 is 10550431015531.

It is not a de Polignac number, because 13551013405501 - 2²¹ = 13551011308349 is a prime.

It is a super-2 number, since 2×13551013405501² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551013405561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8538141 + ... + 10000093.

It is an arithmetic number, because the mean of its divisors is an integer number (507303885816).

Almost surely, 2^{13551013405501} is an apocalyptic number.

13551013405501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13551013405501 is a deficient number, since it is larger than the sum of its proper divisors (2682710940611).

13551013405501 is a wasteful number, since it uses less digits than its factorization.

13551013405501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463253.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 13551013405501 in words is "thirteen trillion, five hundred fifty-one billion, thirteen million, four hundred five thousand, five hundred one".