61105250116 has 12 divisors (see below), whose sum is σ = 108135696060. Its totient is φ = 30209336960.

The previous prime is 61105250113. The next prime is 61105250117.

It is a happy number.

61105250116 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 12663000900 + 48442249216 = 112530^2 + 220096^2 .

It is not an unprimeable number, because it can be changed into a prime (61105250113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85821625 + ... + 85822336.

It is an arithmetic number, because the mean of its divisors is an integer number (9011308005).

Almost surely, 2^61105250116 is an apocalyptic number.

It is an amenable number.

61105250116 is a deficient number, since it is larger than the sum of its proper divisors (47030445944).

61105250116 is a wasteful number, since it uses less digits than its factorization.

61105250116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171644054 (or 171644052 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 61105250116 in words is "sixty-one billion, one hundred five million, two hundred fifty thousand, one hundred sixteen".