13504154551 has 4 divisors (see below), whose sum is σ = 13504388704. Its totient is φ = 13503920400.

The previous prime is 13504154533. The next prime is 13504154569. The reversal of 13504154551 is 15545140531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15545140531 = 239 ⋅65042429.

It is an interprime number because it is at equal distance from previous prime (13504154533) and next prime (13504154569).

It is a cyclic number.

It is not a de Polignac number, because 13504154551 - 2⁷ = 13504154423 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 (13504152551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37186 + ... + 168496.

It is an arithmetic number, because the mean of its divisors is an integer number (3376097176).

Almost surely, 2^13504154551 is an apocalyptic number.

13504154551 is a deficient number, since it is larger than the sum of its proper divisors (234153).

13504154551 is a wasteful number, since it uses less digits than its factorization.

13504154551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234152.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 13504154551 in words is "thirteen billion, five hundred four million, one hundred fifty-four thousand, five hundred fifty-one".