1111100600061 has 6 divisors (see below), whose sum is σ = 1604923088990. Its totient is φ = 740733733368.

The previous prime is 1111100599967. The next prime is 1111100600123. The reversal of 1111100600061 is 1600060011111.

1111100600061 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 1 + 0 + 0 + 600 + 0 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 945863228025 + 165237372036 = 972555^2 + 406494^2 .

It is not a de Polignac number, because 1111100600061 - 2²¹ = 1111098502909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100620061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61727811106 + ... + 61727811123.

Almost surely, 2^{1111100600061} is an apocalyptic number.

It is an amenable number.

1111100600061 is a deficient number, since it is larger than the sum of its proper divisors (493822488929).

1111100600061 is a wasteful number, since it uses less digits than its factorization.

1111100600061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123455622235 (or 123455622232 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1111100600061 its reverse (1600060011111), we get a palindrome (2711160611172).

The spelling of 1111100600061 in words is "one trillion, one hundred eleven billion, one hundred million, six hundred thousand, sixty-one".