1101610616655 has 16 divisors (see below), whose sum is σ = 1767656467584. Its totient is φ = 585832501920.

The previous prime is 1101610616609. The next prime is 1101610616677. The reversal of 1101610616655 is 5566160161011.

It is not a de Polignac number, because 1101610616655 - 2⁶ = 1101610616591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105817141 + ... + 105827550.

It is an arithmetic number, because the mean of its divisors is an integer number (110478529224).

Almost surely, 2^{1101610616655} is an apocalyptic number.

1101610616655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1101610616655 is a deficient number, since it is larger than the sum of its proper divisors (666045850929).

1101610616655 is a wasteful number, since it uses less digits than its factorization.

1101610616655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211645046.

The product of its (nonzero) digits is 32400, while the sum is 39.

Adding to 1101610616655 its reverse (5566160161011), we get a palindrome (6667770777666).

The spelling of 1101610616655 in words is "one trillion, one hundred one billion, six hundred ten million, six hundred sixteen thousand, six hundred fifty-five".