61328107711 has 8 divisors (see below), whose sum is σ = 66057566624. Its totient is φ = 56600350560.

The previous prime is 61328107681. The next prime is 61328107723. The reversal of 61328107711 is 11770182316.

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

It is not a de Polignac number, because 61328107711 - 2¹³ = 61328099519 is a prime.

It is a super-2 number, since 2×61328107711² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61328102711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350091 + ... + 495196.

It is an arithmetic number, because the mean of its divisors is an integer number (8257195828).

Almost surely, 2^61328107711 is an apocalyptic number.

61328107711 is a deficient number, since it is larger than the sum of its proper divisors (4729458913).

61328107711 is a wasteful number, since it uses less digits than its factorization.

61328107711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850881.

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 61328107711 in words is "sixty-one billion, three hundred twenty-eight million, one hundred seven thousand, seven hundred eleven".