2278514775625 has 75 divisors (see below), whose sum is σ = 3138224825505. Its totient is φ = 1653780810000.

The previous prime is 2278514775571. The next prime is 2278514775631. The reversal of 2278514775625 is 5265774158722.

The square root of 2278514775625 is 1509475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 178635558409 + 2099879217216 = 422653^2 + 1449096^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2278514775625 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 4566161626 + ... + 4566162124.

Almost surely, 2^{2278514775625} is an apocalyptic number.

2278514775625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2278514775625 is the 1509475-th square number.

2278514775625 is the 754738-th centered octagonal number.

It is an amenable number.

2278514775625 is a deficient number, since it is larger than the sum of its proper divisors (859710049880).

2278514775625 is an frugal number, since it uses more digits than its factorization.

2278514775625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 515 counting only the distinct ones).

The product of its digits is 65856000, while the sum is 61.

The spelling of 2278514775625 in words is "two trillion, two hundred seventy-eight billion, five hundred fourteen million, seven hundred seventy-five thousand, six hundred twenty-five".