541161125506 has 4 divisors (see below), whose sum is σ = 811741688262. Its totient is φ = 270580562752.

The previous prime is 541161125503. The next prime is 541161125509. The reversal of 541161125506 is 605521161145.

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

It is an interprime number because it is at equal distance from previous prime (541161125503) and next prime (541161125509).

It can be written as a sum of positive squares in only one way, i.e., 529321727025 + 11839398481 = 727545^2 + 108809^2 .

It is not an unprimeable number, because it can be changed into a prime (541161125503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135290281375 + ... + 135290281378.

Almost surely, 2^541161125506 is an apocalyptic number.

541161125506 is a deficient number, since it is larger than the sum of its proper divisors (270580562756).

541161125506 is a wasteful number, since it uses less digits than its factorization.

541161125506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270580562755.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 541161125506 in words is "five hundred forty-one billion, one hundred sixty-one million, one hundred twenty-five thousand, five hundred six".