61100550511101 has 16 divisors (see below), whose sum is σ = 90521859134400. Its totient is φ = 40732564071024.

The previous prime is 61100550511057. The next prime is 61100550511109. The reversal of 61100550511101 is 10111505500116.

61100550511101 is a `hidden beast` number, since 6 + 1 + 1 + 0 + 0 + 550 + 5 + 1 + 1 + 101 = 666.

It is not a de Polignac number, because 61100550511101 - 2¹⁷ = 61100550380029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61100550511109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30576651 + ... + 32513576.

It is an arithmetic number, because the mean of its divisors is an integer number (5657616195900).

Almost surely, 2^{61100550511101} is an apocalyptic number.

It is an amenable number.

61100550511101 is a deficient number, since it is larger than the sum of its proper divisors (29421308623299).

61100550511101 is a wasteful number, since it uses less digits than its factorization.

61100550511101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63126105 (or 63126099 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

The spelling of 61100550511101 in words is "sixty-one trillion, one hundred billion, five hundred fifty million, five hundred eleven thousand, one hundred one".