61060550111 has 4 divisors (see below), whose sum is σ = 66611509224. Its totient is φ = 55509591000.

The previous prime is 61060550101. The next prime is 61060550141. The reversal of 61060550111 is 11105506016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61060550111 is a prime.

It is a super-2 number, since 2×61060550111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61060550101) 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, 2775479540 + ... + 2775479561.

It is an arithmetic number, because the mean of its divisors is an integer number (16652877306).

Almost surely, 2^61060550111 is an apocalyptic number.

61060550111 is a deficient number, since it is larger than the sum of its proper divisors (5550959113).

61060550111 is a wasteful number, since it uses less digits than its factorization.

61060550111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550959112.

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

The spelling of 61060550111 in words is "sixty-one billion, sixty million, five hundred fifty thousand, one hundred eleven".