1025055002500 has 45 divisors (see below), whose sum is σ = 2241700986217. Its totient is φ = 410001752000.

The previous prime is 1025055002429. The next prime is 1025055002557. The reversal of 1025055002500 is 52005505201.

It is a happy number.

The square root of 1025055002500 is 1012450.

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

It can be written as a sum of positive squares in 7 ways, for example, as 940927160196 + 84127842304 = 970014^2 + 290048^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 50612376 + ... + 50632624.

Almost surely, 2^{1025055002500} is an apocalyptic number.

1025055002500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025055002500 is the 1012450-th square number.

It is an amenable number.

1025055002500 is an abundant number, since it is smaller than the sum of its proper divisors (1216645983717).

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

1025055002500 is an frugal number, since it uses more digits than its factorization.

1025055002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40522 (or 20256 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

Multiplying 1025055002500 by its sum of digits (25), we get a square (25626375062500 = 5062250²).

1025055002500 divided by its sum of digits (25) gives a square (41002200100 = 202490²).

1025055002500 divided by its product of nonzero digits (2500) gives a square (410022001 = 20249²).

The spelling of 1025055002500 in words is "one trillion, twenty-five billion, fifty-five million, two thousand, five hundred".