61033869534553 has 2 divisors, whose sum is σ = 61033869534554. Its totient is φ = 61033869534552.

The previous prime is 61033869534541. The next prime is 61033869534593. The reversal of 61033869534553 is 35543596833016.

61033869534553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46742203427929 + 14291666106624 = 6836827^2 + 3780432^2 .

It is a cyclic number.

It is not a de Polignac number, because 61033869534553 - 2²¹ = 61033867437401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61033869534491 and 61033869534500.

It is not a weakly prime, because it can be changed into another prime (61033869534593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30516934767276 + 30516934767277.

It is an arithmetic number, because the mean of its divisors is an integer number (30516934767277).

Almost surely, 2^{61033869534553} is an apocalyptic number.

It is an amenable number.

61033869534553 is a deficient number, since it is larger than the sum of its proper divisors (1).

61033869534553 is an equidigital number, since it uses as much as digits as its factorization.

61033869534553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976000, while the sum is 61.

The spelling of 61033869534553 in words is "sixty-one trillion, thirty-three billion, eight hundred sixty-nine million, five hundred thirty-four thousand, five hundred fifty-three".