61041025063 has 4 divisors (see below), whose sum is σ = 61225439368. Its totient is φ = 60856610760.

The previous prime is 61041024943. The next prime is 61041025069. The reversal of 61041025063 is 36052014016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61041025063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61041025069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92206656 + ... + 92207317.

It is an arithmetic number, because the mean of its divisors is an integer number (15306359842).

Almost surely, 2^61041025063 is an apocalyptic number.

61041025063 is a deficient number, since it is larger than the sum of its proper divisors (184414305).

61041025063 is a wasteful number, since it uses less digits than its factorization.

61041025063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184414304.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 61041025063 its reverse (36052014016), we get a palindrome (97093039079).

The spelling of 61041025063 in words is "sixty-one billion, forty-one million, twenty-five thousand, sixty-three".