1013265105145 has 32 divisors (see below), whose sum is σ = 1238918913792. Its totient is φ = 795424161792.

The previous prime is 1013265105101. The next prime is 1013265105169. The reversal of 1013265105145 is 5415015623101.

It is a cyclic number.

It is not a de Polignac number, because 1013265105145 - 2⁹ = 1013265104633 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 1013265105145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51811689 + ... + 51831241.

It is an arithmetic number, because the mean of its divisors is an integer number (38716216056).

Almost surely, 2^{1013265105145} is an apocalyptic number.

It is an amenable number.

1013265105145 is a deficient number, since it is larger than the sum of its proper divisors (225653808647).

1013265105145 is a wasteful number, since it uses less digits than its factorization.

1013265105145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20481.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 1013265105145 in words is "one trillion, thirteen billion, two hundred sixty-five million, one hundred five thousand, one hundred forty-five".