7187895050625 has 45 divisors (see below), whose sum is σ = 12974353784821. Its totient is φ = 3833436786000.

The previous prime is 7187895050603. The next prime is 7187895050653. The reversal of 7187895050625 is 5260505987817.

The square root of 7187895050625 is 2681025.

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

7187895050625 is a `hidden beast` number, since 7 + 1 + 8 + 78 + 9 + 50 + 506 + 2 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 563530971969 + 6624364078656 = 750687^2 + 2573784^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 7187895050625 - 2¹⁵ = 7187895017857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 201059002 + ... + 201094748.

Almost surely, 2^{7187895050625} is an apocalyptic number.

7187895050625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7187895050625 is the 2681025-th square number.

7187895050625 is the 1340513-rd centered octagonal number.

It is an amenable number.

7187895050625 is a deficient number, since it is larger than the sum of its proper divisors (5786458734196).

7187895050625 is an frugal number, since it uses more digits than its factorization.

7187895050625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71520 (or 35755 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 63.

The spelling of 7187895050625 in words is "seven trillion, one hundred eighty-seven billion, eight hundred ninety-five million, fifty thousand, six hundred twenty-five".