1005025550000 has 120 divisors (see below), whose sum is σ = 2577062682432. Its totient is φ = 378362240000.

The previous prime is 1005025549921. The next prime is 1005025550041. The reversal of 1005025550000 is 555205001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258809 + ... + 1441191.

Almost surely, 2^{1005025550000} is an apocalyptic number.

1005025550000 is a gapful number since it is divisible by the number (10) 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 1005025550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288531341216).

1005025550000 is an abundant number, since it is smaller than the sum of its proper divisors (1572037132432).

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

1005025550000 is an equidigital number, since it uses as much as digits as its factorization.

1005025550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182433 (or 1182407 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The spelling of 1005025550000 in words is "one trillion, five billion, twenty-five million, five hundred fifty thousand".