1100605111061 has 8 divisors (see below), whose sum is σ = 1103005944000. Its totient is φ = 1098204926560.

The previous prime is 1100605110961. The next prime is 1100605111087. The reversal of 1100605111061 is 1601115060011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100605111061 - 2³⁸ = 825727204117 is a prime.

It is a super-2 number, since 2×1100605111061² (a number of 25 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 (1100607111061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3317465 + ... + 3634113.

It is an arithmetic number, because the mean of its divisors is an integer number (137875743000).

Almost surely, 2^{1100605111061} is an apocalyptic number.

It is an amenable number.

1100605111061 is a deficient number, since it is larger than the sum of its proper divisors (2400832939).

1100605111061 is an equidigital number, since it uses as much as digits as its factorization.

1100605111061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324219.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 1100605111061 in words is "one trillion, one hundred billion, six hundred five million, one hundred eleven thousand, sixty-one".