61101005060511 has 12 divisors (see below), whose sum is σ = 95046007872088. Its totient is φ = 37600618498704.

The previous prime is 61101005060441. The next prime is 61101005060527. The reversal of 61101005060511 is 11506050010116.

61101005060511 is a `hidden beast` number, since 6 + 1 + 1 + 0 + 1 + 0 + 0 + 50 + 605 + 1 + 1 = 666.

It is not a de Polignac number, because 61101005060511 - 2⁹ = 61101005059999 is a prime.

It is a super-2 number, since 2×61101005060511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101005060531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261115406125 + ... + 261115406358.

Almost surely, 2^{61101005060511} is an apocalyptic number.

61101005060511 is a deficient number, since it is larger than the sum of its proper divisors (33945002811577).

61101005060511 is a wasteful number, since it uses less digits than its factorization.

61101005060511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522230812502 (or 522230812499 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 61101005060511 its reverse (11506050010116), we get a palindrome (72607055070627).

The spelling of 61101005060511 in words is "sixty-one trillion, one hundred one billion, five million, sixty thousand, five hundred eleven".