25361063016400 has 30 divisors (see below), whose sum is σ = 60929953897862. Its totient is φ = 10144425206400.

The previous prime is 25361063016391. The next prime is 25361063016407. The reversal of 25361063016400 is 461036016352.

It can be written as a sum of positive squares in 3 ways, for example, as 6647548384656 + 18713514631744 = 2578284^2 + 4325912^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25361063016400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25361063016407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31701328371 + ... + 31701329170.

Almost surely, 2^{25361063016400} is an apocalyptic number.

25361063016400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25361063016400 is an abundant number, since it is smaller than the sum of its proper divisors (35568890881462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25361063016400 is a wasteful number, since it uses less digits than its factorization.

25361063016400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63402657559 (or 63402657548 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 25361063016400 in words is "twenty-five trillion, three hundred sixty-one billion, sixty-three million, sixteen thousand, four hundred".