61000550106011 has 4 divisors (see below), whose sum is σ = 61029202315800. Its totient is φ = 60971897896224.

The previous prime is 61000550105993. The next prime is 61000550106047. The reversal of 61000550106011 is 11060105500016.

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-61000550106011 is a prime.

It is a super-2 number, since 2×61000550106011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61000550106091) 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, 14326101701 + ... + 14326105958.

It is an arithmetic number, because the mean of its divisors is an integer number (15257300578950).

Almost surely, 2^{61000550106011} is an apocalyptic number.

61000550106011 is a deficient number, since it is larger than the sum of its proper divisors (28652209789).

61000550106011 is a wasteful number, since it uses less digits than its factorization.

61000550106011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28652209788.

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

Adding to 61000550106011 its reverse (11060105500016), we get a palindrome (72060655606027).

The spelling of 61000550106011 in words is "sixty-one trillion, five hundred fifty million, one hundred six thousand, eleven".