2001115522315 has 64 divisors (see below), whose sum is σ = 2964288337920. Its totient is φ = 1262875806720.

The previous prime is 2001115522253. The next prime is 2001115522339. The reversal of 2001115522315 is 5132255111002.

It is a happy number.

It is not a de Polignac number, because 2001115522315 - 2³⁷ = 1863676568843 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 314687106 + ... + 314693464.

It is an arithmetic number, because the mean of its divisors is an integer number (46317005280).

Almost surely, 2^{2001115522315} is an apocalyptic number.

2001115522315 is a deficient number, since it is larger than the sum of its proper divisors (963172815605).

2001115522315 is a wasteful number, since it uses less digits than its factorization.

2001115522315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 2001115522315 in words is "two trillion, one billion, one hundred fifteen million, five hundred twenty-two thousand, three hundred fifteen".