61727811114 has 16 divisors (see below), whose sum is σ = 123460174080. Its totient is φ = 20575178400.

The previous prime is 61727811109. The next prime is 61727811127. The reversal of 61727811114 is 41111872716.

It is a Curzon 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, 1447 + ... + 351365.

It is an arithmetic number, because the mean of its divisors is an integer number (7716260880).

Almost surely, 2^61727811114 is an apocalyptic number.

61727811114 is an abundant number, since it is smaller than the sum of its proper divisors (61732362966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61727811114 is a wasteful number, since it uses less digits than its factorization.

61727811114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379325.

The product of its digits is 18816, while the sum is 39.

The spelling of 61727811114 in words is "sixty-one billion, seven hundred twenty-seven million, eight hundred eleven thousand, one hundred fourteen".