61334754361143 has 4 divisors (see below), whose sum is σ = 81779672481528. Its totient is φ = 40889836240760.

The previous prime is 61334754361121. The next prime is 61334754361147. The reversal of 61334754361143 is 34116345743316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61334754361143 - 2⁶ = 61334754361079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61334754361147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10222459060188 + ... + 10222459060193.

It is an arithmetic number, because the mean of its divisors is an integer number (20444918120382).

Almost surely, 2^{61334754361143} is an apocalyptic number.

61334754361143 is a deficient number, since it is larger than the sum of its proper divisors (20444918120385).

61334754361143 is a wasteful number, since it uses less digits than its factorization.

61334754361143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444918120384.

The product of its digits is 6531840, while the sum is 51.

The spelling of 61334754361143 in words is "sixty-one trillion, three hundred thirty-four billion, seven hundred fifty-four million, three hundred sixty-one thousand, one hundred forty-three".