61050555011 has 4 divisors (see below), whose sum is σ = 63704926992. Its totient is φ = 58396183032.

The previous prime is 61050554947. The next prime is 61050555019. The reversal of 61050555011 is 11055505016.

It is a happy number.

61050555011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61050555011 - 2⁶ = 61050554947 is a prime.

It is a super-2 number, since 2×61050555011² (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 (61050555019) 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, 1327185956 + ... + 1327186001.

It is an arithmetic number, because the mean of its divisors is an integer number (15926231748).

Almost surely, 2^61050555011 is an apocalyptic number.

61050555011 is a deficient number, since it is larger than the sum of its proper divisors (2654371981).

61050555011 is a wasteful number, since it uses less digits than its factorization.

61050555011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654371980.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 61050555011 in words is "sixty-one billion, fifty million, five hundred fifty-five thousand, eleven".