61711912095 has 8 divisors (see below), whose sum is σ = 98739059376. Its totient is φ = 32913019776.

The previous prime is 61711912037. The next prime is 61711912111. The reversal of 61711912095 is 59021911716.

It is a happy number.

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

It is not a de Polignac number, because 61711912095 - 2¹⁰ = 61711911071 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057063722 + ... + 2057063751.

It is an arithmetic number, because the mean of its divisors is an integer number (12342382422).

Almost surely, 2^61711912095 is an apocalyptic number.

61711912095 is a deficient number, since it is larger than the sum of its proper divisors (37027147281).

61711912095 is a wasteful number, since it uses less digits than its factorization.

61711912095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114127481.

The product of its (nonzero) digits is 34020, while the sum is 42.

The spelling of 61711912095 in words is "sixty-one billion, seven hundred eleven million, nine hundred twelve thousand, ninety-five".