61028106823 has 2 divisors, whose sum is σ = 61028106824. Its totient is φ = 61028106822.

The previous prime is 61028106793. The next prime is 61028106859. The reversal of 61028106823 is 32860182016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61028106823 - 2²⁹ = 60491235911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61028106023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30514053411 + 30514053412.

It is an arithmetic number, because the mean of its divisors is an integer number (30514053412).

Almost surely, 2^61028106823 is an apocalyptic number.

61028106823 is a deficient number, since it is larger than the sum of its proper divisors (1).

61028106823 is an equidigital number, since it uses as much as digits as its factorization.

61028106823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

Adding to 61028106823 its reverse (32860182016), we get a palindrome (93888288839).

The spelling of 61028106823 in words is "sixty-one billion, twenty-eight million, one hundred six thousand, eight hundred twenty-three".