61010511105 has 8 divisors (see below), whose sum is σ = 97616817792. Its totient is φ = 32538939248.

The previous prime is 61010511101. The next prime is 61010511143. The reversal of 61010511105 is 50111501016.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61010511105 - 2² = 61010511101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61010511101) 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, 2033683689 + ... + 2033683718.

It is an arithmetic number, because the mean of its divisors is an integer number (12202102224).

Almost surely, 2^61010511105 is an apocalyptic number.

It is an amenable number.

61010511105 is a deficient number, since it is larger than the sum of its proper divisors (36606306687).

61010511105 is a wasteful number, since it uses less digits than its factorization.

61010511105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067367415.

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 61010511105 in words is "sixty-one billion, ten million, five hundred eleven thousand, one hundred five".