42523525134135 has 12 divisors (see below), whose sum is σ = 73707443565912. Its totient is φ = 22679213404848.

The previous prime is 42523525134067. The next prime is 42523525134149. The reversal of 42523525134135 is 53143152532524.

42523525134135 is a `hidden beast` number, since 4 + 2 + 5 + 23 + 5 + 251 + 341 + 35 = 666.

It is not a de Polignac number, because 42523525134135 - 2¹⁹ = 42523524609847 is a prime.

It is a super-2 number, since 2×42523525134135² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 944967225203 = 42523525134135 / (4 + 2 + 5 + 2 + 3 + 5 + 2 + 5 + 1 + 3 + 4 + 1 + 3 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472483612557 + ... + 472483612646.

It is an arithmetic number, because the mean of its divisors is an integer number (6142286963826).

Almost surely, 2^{42523525134135} is an apocalyptic number.

42523525134135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42523525134135 is a deficient number, since it is larger than the sum of its proper divisors (31183918431777).

42523525134135 is a wasteful number, since it uses less digits than its factorization.

42523525134135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944967225214 (or 944967225211 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

Adding to 42523525134135 its reverse (53143152532524), we get a palindrome (95666677666659).

The spelling of 42523525134135 in words is "forty-two trillion, five hundred twenty-three billion, five hundred twenty-five million, one hundred thirty-four thousand, one hundred thirty-five".