2001114341520 has 80 divisors (see below), whose sum is σ = 7089662244480. Its totient is φ = 457397563392.

The previous prime is 2001114341509. The next prime is 2001114341521. The reversal of 2001114341520 is 251434111002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2001114341521) 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, 595568065 + ... + 595571424.

It is an arithmetic number, because the mean of its divisors is an integer number (88620778056).

Almost surely, 2^{2001114341520} is an apocalyptic number.

2001114341520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001114341520 is an abundant number, since it is smaller than the sum of its proper divisors (5088547902960).

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

2001114341520 is a wasteful number, since it uses less digits than its factorization.

2001114341520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191139512 (or 1191139506 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2001114341520 its reverse (251434111002), we get a palindrome (2252548452522).

The spelling of 2001114341520 in words is "two trillion, one billion, one hundred fourteen million, three hundred forty-one thousand, five hundred twenty".