2501023563000 has 192 divisors, whose sum is σ = 8504084272320. Its totient is φ = 662945568000.

The previous prime is 2501023562977. The next prime is 2501023563011. The reversal of 2501023563000 is 3653201052.

2501023563000 is a `hidden beast` number, since 2 + 5 + 0 + 1 + 0 + 2 + 356 + 300 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670990 + ... + 2335010.

It is an arithmetic number, because the mean of its divisors is an integer number (44292105585).

Almost surely, 2^{2501023563000} is an apocalyptic number.

2501023563000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2501023563000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4252042136160).

2501023563000 is an abundant number, since it is smaller than the sum of its proper divisors (6003060709320).

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

2501023563000 is a wasteful number, since it uses less digits than its factorization.

2501023563000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664215 (or 1664198 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 2501023563000 its reverse (3653201052), we get a palindrome (2504676764052).

The spelling of 2501023563000 in words is "two trillion, five hundred one billion, twenty-three million, five hundred sixty-three thousand".