943511109025 has 9 divisors (see below), whose sum is σ = 1169959797561. Its totient is φ = 754805001840.

The previous prime is 943511109019. The next prime is 943511109029. The reversal of 943511109025 is 520901115349.

The square root of 943511109025 is 971345.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 268523985249 + 674987123776 = 518193^2 + 821576^2 .

It is not a de Polignac number, because 943511109025 - 2³ = 943511109017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (943511109029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4759591 + ... + 4953859.

Almost surely, 2^943511109025 is an apocalyptic number.

943511109025 is the 971345-th square number.

943511109025 is the 485673-rd centered octagonal number.

It is an amenable number.

943511109025 is a deficient number, since it is larger than the sum of its proper divisors (226448688536).

943511109025 is an frugal number, since it uses more digits than its factorization.

943511109025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388548 (or 194274 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 943511109025 in words is "nine hundred forty-three billion, five hundred eleven million, one hundred nine thousand, twenty-five".