1100104002145 has 4 divisors (see below), whose sum is σ = 1320124802580. Its totient is φ = 880083201712.

The previous prime is 1100104002131. The next prime is 1100104002169. The reversal of 1100104002145 is 5412004010011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114227776576 + 985876225569 = 337976^2 + 992913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100104002145 - 2¹³ = 1100103993953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110010400210 + ... + 110010400219.

It is an arithmetic number, because the mean of its divisors is an integer number (330031200645).

Almost surely, 2^{1100104002145} is an apocalyptic number.

It is an amenable number.

1100104002145 is a deficient number, since it is larger than the sum of its proper divisors (220020800435).

1100104002145 is an equidigital number, since it uses as much as digits as its factorization.

1100104002145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220020800434.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 1100104002145 its reverse (5412004010011), we get a palindrome (6512108012156).

The spelling of 1100104002145 in words is "one trillion, one hundred billion, one hundred four million, two thousand, one hundred forty-five".