13534234551 has 12 divisors (see below), whose sum is σ = 20077813912. Its totient is φ = 8778962736.

The previous prime is 13534234543. The next prime is 13534234579. The reversal of 13534234551 is 15543243531.

13534234551 is a `hidden beast` number, since 1 + 35 + 3 + 42 + 34 + 551 = 666.

It is not a de Polignac number, because 13534234551 - 2³ = 13534234543 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 (13534234591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20321341 + ... + 20322006.

Almost surely, 2^13534234551 is an apocalyptic number.

13534234551 is a deficient number, since it is larger than the sum of its proper divisors (6543579361).

13534234551 is a wasteful number, since it uses less digits than its factorization.

13534234551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40643390 (or 40643387 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The spelling of 13534234551 in words is "thirteen billion, five hundred thirty-four million, two hundred thirty-four thousand, five hundred fifty-one".