61010565011 has 8 divisors (see below), whose sum is σ = 70059979200. Its totient is φ = 52544984040.

The previous prime is 61010564999. The next prime is 61010565013. The reversal of 61010565011 is 11056501016.

61010565011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61010565011 - 2¹⁰ = 61010563987 is a prime.

It is a super-2 number, since 2×61010565011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61010565013) 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, 145958081 + ... + 145958498.

It is an arithmetic number, because the mean of its divisors is an integer number (8757497400).

Almost surely, 2^61010565011 is an apocalyptic number.

61010565011 is a deficient number, since it is larger than the sum of its proper divisors (9049414189).

61010565011 is a wasteful number, since it uses less digits than its factorization.

61010565011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291916609.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 61010565011 in words is "sixty-one billion, ten million, five hundred sixty-five thousand, eleven".