61711752711 has 16 divisors (see below), whose sum is σ = 94067775488. Its totient is φ = 35252301600.

The previous prime is 61711752701. The next prime is 61711752757. The reversal of 61711752711 is 11725711716.

It is not a de Polignac number, because 61711752711 - 2⁶ = 61711752647 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61711752711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61711752701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415735 + ... + 544296.

It is an arithmetic number, because the mean of its divisors is an integer number (5879235968).

Almost surely, 2^61711752711 is an apocalyptic number.

61711752711 is a deficient number, since it is larger than the sum of its proper divisors (32356022777).

61711752711 is a wasteful number, since it uses less digits than its factorization.

61711752711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963102.

The product of its digits is 20580, while the sum is 39.

The spelling of 61711752711 in words is "sixty-one billion, seven hundred eleven million, seven hundred fifty-two thousand, seven hundred eleven".