1002001111993 has 8 divisors (see below), whose sum is σ = 1149401171520. Its totient is φ = 855665313360.

The previous prime is 1002001111939. The next prime is 1002001111999. The reversal of 1002001111993 is 3991111002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002001111993 - 2²⁵ = 1001967557561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002001111999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266063203 + ... + 266066968.

It is an arithmetic number, because the mean of its divisors is an integer number (143675146440).

Almost surely, 2^{1002001111993} is an apocalyptic number.

It is an amenable number.

1002001111993 is a deficient number, since it is larger than the sum of its proper divisors (147400059527).

1002001111993 is an equidigital number, since it uses as much as digits as its factorization.

1002001111993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532130447.

The product of its (nonzero) digits is 486, while the sum is 28.

Adding to 1002001111993 its reverse (3991111002001), we get a palindrome (4993112113994).

The spelling of 1002001111993 in words is "one trillion, two billion, one million, one hundred eleven thousand, nine hundred ninety-three".