61036121843 has 8 divisors (see below), whose sum is σ = 61084361520. Its totient is φ = 60987906720.

The previous prime is 61036121833. The next prime is 61036121863. The reversal of 61036121843 is 34812163016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61036121843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61036121833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10763813 + ... + 10769481.

It is an arithmetic number, because the mean of its divisors is an integer number (7635545190).

Almost surely, 2^61036121843 is an apocalyptic number.

61036121843 is a deficient number, since it is larger than the sum of its proper divisors (48239677).

61036121843 is a wasteful number, since it uses less digits than its factorization.

61036121843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 61036121843 its reverse (34812163016), we get a palindrome (95848284859).

The spelling of 61036121843 in words is "sixty-one billion, thirty-six million, one hundred twenty-one thousand, eight hundred forty-three".