65881035122 has 16 divisors (see below), whose sum is σ = 113506454400. Its totient is φ = 28092845088.

The previous prime is 65881035071. The next prime is 65881035127. The reversal of 65881035122 is 22153018856.

It is a self number, because there is not a number n which added to its sum of digits gives 65881035122.

It is not an unprimeable number, because it can be changed into a prime (65881035127) by changing a digit.

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, 11820803 + ... + 11826374.

It is an arithmetic number, because the mean of its divisors is an integer number (7094153400).

Almost surely, 2^65881035122 is an apocalyptic number.

65881035122 is a deficient number, since it is larger than the sum of its proper divisors (47625419278).

65881035122 is a wasteful number, since it uses less digits than its factorization.

65881035122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647385.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 65881035122 in words is "sixty-five billion, eight hundred eighty-one million, thirty-five thousand, one hundred twenty-two".