2001372154415 has 8 divisors (see below), whose sum is σ = 2401843080240. Its totient is φ = 1600966726912.

The previous prime is 2001372154351. The next prime is 2001372154429. The reversal of 2001372154415 is 5144512731002.

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 2001372154415 - 2⁶ = 2001372154351 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 16307330 + ... + 16429599.

It is an arithmetic number, because the mean of its divisors is an integer number (300230385030).

Almost surely, 2^{2001372154415} is an apocalyptic number.

2001372154415 is a deficient number, since it is larger than the sum of its proper divisors (400470925825).

2001372154415 is a wasteful number, since it uses less digits than its factorization.

2001372154415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32749161.

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 2001372154415 its reverse (5144512731002), we get a palindrome (7145884885417).

The spelling of 2001372154415 in words is "two trillion, one billion, three hundred seventy-two million, one hundred fifty-four thousand, four hundred fifteen".