1052645447113 has 16 divisors (see below), whose sum is σ = 1168459742800. Its totient is φ = 941998139136.

The previous prime is 1052645447101. The next prime is 1052645447129. The reversal of 1052645447113 is 3117445462501.

It can be written as a sum of positive squares in 8 ways, for example, as 220512889744 + 832132557369 = 469588^2 + 912213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052645447113 - 2⁵ = 1052645447081 is a prime.

It is a super-3 number, since 3×1052645447113³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 1052645447113.

It is not an unprimeable number, because it can be changed into a prime (1052645447813) 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, 3817038 + ... + 4083511.

It is an arithmetic number, because the mean of its divisors is an integer number (73028733925).

Almost surely, 2^{1052645447113} is an apocalyptic number.

1052645447113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1052645447113 is a deficient number, since it is larger than the sum of its proper divisors (115814295687).

1052645447113 is a wasteful number, since it uses less digits than its factorization.

1052645447113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900876.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 1052645447113 in words is "one trillion, fifty-two billion, six hundred forty-five million, four hundred forty-seven thousand, one hundred thirteen".