2001131403411 has 16 divisors (see below), whose sum is σ = 3049905977600. Its totient is φ = 1143292576608.

The previous prime is 2001131403407. The next prime is 2001131403449. The reversal of 2001131403411 is 1143041311002.

It is not a de Polignac number, because 2001131403411 - 2² = 2001131403407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001131403811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8678596 + ... + 8906193.

It is an arithmetic number, because the mean of its divisors is an integer number (190619123600).

Almost surely, 2^{2001131403411} is an apocalyptic number.

2001131403411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2001131403411 is a deficient number, since it is larger than the sum of its proper divisors (1048774574189).

2001131403411 is a wasteful number, since it uses less digits than its factorization.

2001131403411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590218.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2001131403411 its reverse (1143041311002), we get a palindrome (3144172714413).

The spelling of 2001131403411 in words is "two trillion, one billion, one hundred thirty-one million, four hundred three thousand, four hundred eleven".