61366331753143 has 8 divisors (see below), whose sum is σ = 61690970325600. Its totient is φ = 61041762029568.

The previous prime is 61366331753101. The next prime is 61366331753173. The reversal of 61366331753143 is 34135713366316.

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-61366331753143 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 (61366331753173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15424378 + ... + 18990631.

It is an arithmetic number, because the mean of its divisors is an integer number (7711371290700).

Almost surely, 2^{61366331753143} is an apocalyptic number.

61366331753143 is a deficient number, since it is larger than the sum of its proper divisors (324638572457).

61366331753143 is a wasteful number, since it uses less digits than its factorization.

61366331753143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34424441.

The product of its digits is 7348320, while the sum is 52.

The spelling of 61366331753143 in words is "sixty-one trillion, three hundred sixty-six billion, three hundred thirty-one million, seven hundred fifty-three thousand, one hundred forty-three".