1001000001050 has 96 divisors (see below), whose sum is σ = 2172665107200. Its totient is φ = 342978753600.

The previous prime is 1001000001037. The next prime is 1001000001059. The reversal of 1001000001050 is 501000001001.

It is a happy number.

It is a super-2 number, since 2×1001000001050² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001000001059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27782147 + ... + 27818153.

It is an arithmetic number, because the mean of its divisors is an integer number (22631928200).

Almost surely, 2^{1001000001050} is an apocalyptic number.

1001000001050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001000001050 is an abundant number, since it is smaller than the sum of its proper divisors (1171665106150).

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

1001000001050 is a wasteful number, since it uses less digits than its factorization.

1001000001050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37661 (or 37642 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 8.

Adding to 1001000001050 its reverse (501000001001), we get a palindrome (1502000002051).

The spelling of 1001000001050 in words is "one trillion, one billion, one thousand, fifty".