61050860808 has 32 divisors (see below), whose sum is σ = 174431031360. Its totient is φ = 17443103040.

The previous prime is 61050860807. The next prime is 61050860831. The reversal of 61050860808 is 80806805016.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 61050860808.

It is not an unprimeable number, because it can be changed into a prime (61050860803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181698823 + ... + 181699158.

It is an arithmetic number, because the mean of its divisors is an integer number (5450969730).

Almost surely, 2^61050860808 is an apocalyptic number.

It is an amenable number.

61050860808 is an abundant number, since it is smaller than the sum of its proper divisors (113380170552).

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

61050860808 is a wasteful number, since it uses less digits than its factorization.

61050860808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363397997 (or 363397993 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 61050860808 in words is "sixty-one billion, fifty million, eight hundred sixty thousand, eight hundred eight".