541161131444 has 24 divisors (see below), whose sum is σ = 1006734754368. Its totient is φ = 253649456000.

The previous prime is 541161131431. The next prime is 541161131477. The reversal of 541161131444 is 444131161145.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15836024 + ... + 15870159.

It is an arithmetic number, because the mean of its divisors is an integer number (41947281432).

Almost surely, 2^541161131444 is an apocalyptic number.

It is an amenable number.

541161131444 is a deficient number, since it is larger than the sum of its proper divisors (465573622924).

541161131444 is a wasteful number, since it uses less digits than its factorization.

541161131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31706455 (or 31706453 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

Adding to 541161131444 its reverse (444131161145), we get a palindrome (985292292589).

The spelling of 541161131444 in words is "five hundred forty-one billion, one hundred sixty-one million, one hundred thirty-one thousand, four hundred forty-four".