13531142151 has 8 divisors (see below), whose sum is σ = 20046136560. Its totient is φ = 9020761416.

The previous prime is 13531142143. The next prime is 13531142159. The reversal of 13531142151 is 15124113531.

13531142151 is a `hidden beast` number, since 135 + 311 + 4 + 215 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (13531142143) and next prime (13531142159).

It is not a de Polignac number, because 13531142151 - 2³ = 13531142143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 501153413 = 13531142151 / (1 + 3 + 5 + 3 + 1 + 1 + 4 + 2 + 1 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531142159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250576680 + ... + 250576733.

It is an arithmetic number, because the mean of its divisors is an integer number (2505767070).

Almost surely, 2^13531142151 is an apocalyptic number.

13531142151 is a deficient number, since it is larger than the sum of its proper divisors (6514994409).

13531142151 is an equidigital number, since it uses as much as digits as its factorization.

13531142151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501153422 (or 501153416 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

Adding to 13531142151 its reverse (15124113531), we get a palindrome (28655255682).

The spelling of 13531142151 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-two thousand, one hundred fifty-one".