1100061505655 has 8 divisors (see below), whose sum is σ = 1508655779232. Its totient is φ = 754327889568.

The previous prime is 1100061505649. The next prime is 1100061505687. The reversal of 1100061505655 is 5565051600011.

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 1100061505655 - 2¹⁰ = 1100061504631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 31430328733 = 1100061505655 / (1 + 1 + 0 + 0 + 0 + 6 + 1 + 5 + 0 + 5 + 6 + 5 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15715164332 + ... + 15715164401.

It is an arithmetic number, because the mean of its divisors is an integer number (188581972404).

Almost surely, 2^{1100061505655} is an apocalyptic number.

1100061505655 is a deficient number, since it is larger than the sum of its proper divisors (408594273577).

1100061505655 is an equidigital number, since it uses as much as digits as its factorization.

1100061505655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31430328745.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1100061505655 in words is "one trillion, one hundred billion, sixty-one million, five hundred five thousand, six hundred fifty-five".