1009191000010 has 16 divisors (see below), whose sum is σ = 1912151368800. Its totient is φ = 382430273616.

The previous prime is 1009190999987. The next prime is 1009191000017. The reversal of 1009191000010 is 100001919001.

It is not an unprimeable number, because it can be changed into a prime (1009191000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655765600 + ... + 2655765979.

It is an arithmetic number, because the mean of its divisors is an integer number (119509460550).

Almost surely, 2^{1009191000010} is an apocalyptic number.

1009191000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009191000010 is a deficient number, since it is larger than the sum of its proper divisors (902960368790).

1009191000010 is a wasteful number, since it uses less digits than its factorization.

1009191000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311531605.

The product of its (nonzero) digits is 81, while the sum is 22.

Adding to 1009191000010 its reverse (100001919001), we get a palindrome (1109192919011).

The spelling of 1009191000010 in words is "one trillion, nine billion, one hundred ninety-one million, ten", and thus it is an aban number.