1011000010000 has 100 divisors (see below), whose sum is σ = 2467008704512. Its totient is φ = 401215248000.

The previous prime is 1011000009983. The next prime is 1011000010037. The reversal of 1011000010000 is 100001101.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 871969 + ... + 1668031.

Almost surely, 2^{1011000010000} is an apocalyptic number.

1011000010000 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 1011000010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233504352256).

1011000010000 is an abundant number, since it is smaller than the sum of its proper divisors (1456008694512).

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

1011000010000 is an equidigital number, since it uses as much as digits as its factorization.

1011000010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796218 (or 796197 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 1011000010000 its reverse (100001101), we get a palindrome (1011100011101).

The spelling of 1011000010000 in words is "one trillion, eleven billion, ten thousand".