13550355451 has 16 divisors (see below), whose sum is σ = 14019876864. Its totient is φ = 13086507744.

The previous prime is 13550355443. The next prime is 13550355491. The reversal of 13550355451 is 15455305531.

It is a cyclic number.

It is not a de Polignac number, because 13550355451 - 2³ = 13550355443 is a prime.

It is a super-2 number, since 2×13550355451² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13550355451.

It is not an unprimeable number, because it can be changed into a prime (13550355421) 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 15 ways as a sum of consecutive naturals, for example, 6567246 + ... + 6569308.

It is an arithmetic number, because the mean of its divisors is an integer number (876242304).

Almost surely, 2^13550355451 is an apocalyptic number.

13550355451 is a deficient number, since it is larger than the sum of its proper divisors (469521413).

13550355451 is a wasteful number, since it uses less digits than its factorization.

13550355451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 13550355451 in words is "thirteen billion, five hundred fifty million, three hundred fifty-five thousand, four hundred fifty-one".