61083555036133 has 4 divisors (see below), whose sum is σ = 69809777184160. Its totient is φ = 52357332888108.

The previous prime is 61083555036121. The next prime is 61083555036157. The reversal of 61083555036133 is 33163055538016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61083555036133 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 (61083555036103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4363111074003 + ... + 4363111074016.

It is an arithmetic number, because the mean of its divisors is an integer number (17452444296040).

Almost surely, 2^{61083555036133} is an apocalyptic number.

It is an amenable number.

61083555036133 is a deficient number, since it is larger than the sum of its proper divisors (8726222148027).

61083555036133 is an equidigital number, since it uses as much as digits as its factorization.

61083555036133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726222148026.

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 61083555036133 in words is "sixty-one trillion, eighty-three billion, five hundred fifty-five million, thirty-six thousand, one hundred thirty-three".