25000252763890 has 16 divisors (see below), whose sum is σ = 45000921746520. Its totient is φ = 9999997378560.

The previous prime is 25000252763803. The next prime is 25000252763911. The reversal of 25000252763890 is 9836725200052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20500003902249 + 4500248861641 = 4527693^2 + 2121379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11949801 + ... + 13885180.

Almost surely, 2^{25000252763890} is an apocalyptic number.

25000252763890 is a deficient number, since it is larger than the sum of its proper divisors (20000668982630).

25000252763890 is a wasteful number, since it uses less digits than its factorization.

25000252763890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25931757.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 25000252763890 in words is "twenty-five trillion, two hundred fifty-two million, seven hundred sixty-three thousand, eight hundred ninety".