11571290639999 has 4 divisors (see below), whose sum is σ = 11573288796480. Its totient is φ = 11569292483520.

The previous prime is 11571290639957. The next prime is 11571290640011. The reversal of 11571290639999 is 99993609217511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11571290639999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11571290639399) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 999069554 + ... + 999081135.

It is an arithmetic number, because the mean of its divisors is an integer number (2893322199120).

Almost surely, 2^{11571290639999} is an apocalyptic number.

11571290639999 is a deficient number, since it is larger than the sum of its proper divisors (1998156481).

11571290639999 is an equidigital number, since it uses as much as digits as its factorization.

11571290639999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998156480.

The product of its (nonzero) digits is 74401740, while the sum is 71.

The spelling of 11571290639999 in words is "eleven trillion, five hundred seventy-one billion, two hundred ninety million, six hundred thirty-nine thousand, nine hundred ninety-nine".