11525534145242 has 8 divisors (see below), whose sum is σ = 18618170542356. Its totient is φ = 5319477297792.

The previous prime is 11525534145197. The next prime is 11525534145259. The reversal of 11525534145242 is 24254143552511.

It can be written as a sum of positive squares in 2 ways, for example, as 11525488596241 + 45549001 = 3394921^2 + 6749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11525534145193 and 11525534145202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221644887383 + ... + 221644887434.

Almost surely, 2^{11525534145242} is an apocalyptic number.

11525534145242 is a deficient number, since it is larger than the sum of its proper divisors (7092636397114).

11525534145242 is a wasteful number, since it uses less digits than its factorization.

11525534145242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443289774832.

The product of its digits is 960000, while the sum is 44.

Adding to 11525534145242 its reverse (24254143552511), we get a palindrome (35779677697753).

The spelling of 11525534145242 in words is "eleven trillion, five hundred twenty-five billion, five hundred thirty-four million, one hundred forty-five thousand, two hundred forty-two".