1103140345255 has 16 divisors (see below), whose sum is σ = 1448967197664. Its totient is φ = 801272177280.

The previous prime is 1103140345247. The next prime is 1103140345259. The reversal of 1103140345255 is 5525430413011.

It is not a de Polignac number, because 1103140345255 - 2³ = 1103140345247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103140345255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103140345259) 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, 139105789 + ... + 139113718.

It is an arithmetic number, because the mean of its divisors is an integer number (90560449854).

Almost surely, 2^{1103140345255} is an apocalyptic number.

1103140345255 is a deficient number, since it is larger than the sum of its proper divisors (345826852409).

1103140345255 is a wasteful number, since it uses less digits than its factorization.

1103140345255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278219586.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1103140345255 its reverse (5525430413011), we get a palindrome (6628570758266).

The spelling of 1103140345255 in words is "one trillion, one hundred three billion, one hundred forty million, three hundred forty-five thousand, two hundred fifty-five".