61757613116534 has 8 divisors (see below), whose sum is σ = 92708286567480. Its totient is φ = 30854850927376.

The previous prime is 61757613116519. The next prime is 61757613116569. The reversal of 61757613116534 is 43561131675716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61757613116534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11977812224 + ... + 11977817379.

It is an arithmetic number, because the mean of its divisors is an integer number (11588535820935).

Almost surely, 2^{61757613116534} is an apocalyptic number.

61757613116534 is a deficient number, since it is larger than the sum of its proper divisors (30950673450946).

61757613116534 is a wasteful number, since it uses less digits than its factorization.

61757613116534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23955630894.

The product of its digits is 9525600, while the sum is 56.

The spelling of 61757613116534 in words is "sixty-one trillion, seven hundred fifty-seven billion, six hundred thirteen million, one hundred sixteen thousand, five hundred thirty-four".