2001040144513 has 4 divisors (see below), whose sum is σ = 2001268765188. Its totient is φ = 2000811523840.

The previous prime is 2001040144507. The next prime is 2001040144547. The reversal of 2001040144513 is 3154410401002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1505609983089 + 495430161424 = 1227033^2 + 703868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001040144513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001040144013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114297208 + ... + 114314713.

It is an arithmetic number, because the mean of its divisors is an integer number (500317191297).

Almost surely, 2^{2001040144513} is an apocalyptic number.

It is an amenable number.

2001040144513 is a deficient number, since it is larger than the sum of its proper divisors (228620675).

2001040144513 is an equidigital number, since it uses as much as digits as its factorization.

2001040144513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228620674.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2001040144513 its reverse (3154410401002), we get a palindrome (5155450545515).

The spelling of 2001040144513 in words is "two trillion, one billion, forty million, one hundred forty-four thousand, five hundred thirteen".