7839412011025 has 27 divisors (see below), whose sum is σ = 11308093212369. Its totient is φ = 5375529610080.

The previous prime is 7839412011023. The next prime is 7839412011029. The reversal of 7839412011025 is 5201102149387.

The square root of 7839412011025 is 2799895.

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 2579875227601 + 5259536783424 = 1606199^2 + 2293368^2 .

It is not a de Polignac number, because 7839412011025 - 2¹ = 7839412011023 is a prime.

It is a super-2 number, since 2×7839412011025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7839412011023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 97956327 + ... + 98036323.

Almost surely, 2^{7839412011025} is an apocalyptic number.

7839412011025 is the 2799895-th square number.

7839412011025 is the 1399948-th centered octagonal number.

It is an amenable number.

7839412011025 is a deficient number, since it is larger than the sum of its proper divisors (3468681201344).

7839412011025 is an frugal number, since it uses more digits than its factorization.

7839412011025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160018 (or 80009 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 7839412011025 in words is "seven trillion, eight hundred thirty-nine billion, four hundred twelve million, eleven thousand, twenty-five".