5625025006861 has 24 divisors (see below), whose sum is σ = 6443798798024. Its totient is φ = 4880230179840.

The previous prime is 5625025006837. The next prime is 5625025006871. The reversal of 5625025006861 is 1686005205265.

It can be written as a sum of positive squares in 12 ways, for example, as 155011501225 + 5470013505636 = 393715^2 + 2338806^2 .

It is not a de Polignac number, because 5625025006861 - 2⁵ = 5625025006829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625025006801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1732591 + ... + 3775171.

Almost surely, 2^{5625025006861} is an apocalyptic number.

It is an amenable number.

5625025006861 is a deficient number, since it is larger than the sum of its proper divisors (818773791163).

5625025006861 is a wasteful number, since it uses less digits than its factorization.

5625025006861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043361 (or 2043344 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 5625025006861 in words is "five trillion, six hundred twenty-five billion, twenty-five million, six thousand, eight hundred sixty-one".