841131525145 has 4 divisors (see below), whose sum is σ = 1009357830180. Its totient is φ = 672905220112.

The previous prime is 841131525127. The next prime is 841131525151. The reversal of 841131525145 is 541525131148.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 366116965776 + 475014559369 = 605076^2 + 689213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-841131525145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 841131525098 and 841131525107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84113152510 + ... + 84113152519.

It is an arithmetic number, because the mean of its divisors is an integer number (252339457545).

Almost surely, 2^841131525145 is an apocalyptic number.

It is an amenable number.

841131525145 is a deficient number, since it is larger than the sum of its proper divisors (168226305035).

841131525145 is a wasteful number, since it uses less digits than its factorization.

841131525145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168226305034.

The product of its digits is 96000, while the sum is 40.

The spelling of 841131525145 in words is "eight hundred forty-one billion, one hundred thirty-one million, five hundred twenty-five thousand, one hundred forty-five".