13454211551 has 12 divisors (see below), whose sum is σ = 14806251600. Its totient is φ = 12216431040.

The previous prime is 13454211523. The next prime is 13454211569. The reversal of 13454211551 is 15511245431.

It is not a de Polignac number, because 13454211551 - 2²² = 13450017247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13454211151) 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 11 ways as a sum of consecutive naturals, for example, 35255 + ... + 167783.

It is an arithmetic number, because the mean of its divisors is an integer number (1233854300).

Almost surely, 2^13454211551 is an apocalyptic number.

13454211551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13454211551 is a deficient number, since it is larger than the sum of its proper divisors (1352040049).

13454211551 is a wasteful number, since it uses less digits than its factorization.

13454211551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133390 (or 133379 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

Adding to 13454211551 its reverse (15511245431), we get a palindrome (28965456982).

The spelling of 13454211551 in words is "thirteen billion, four hundred fifty-four million, two hundred eleven thousand, five hundred fifty-one".