994001024015 has 16 divisors (see below), whose sum is σ = 1221950318400. Its totient is φ = 775769882880.

The previous prime is 994001023963. The next prime is 994001024047. The reversal of 994001024015 is 510420100499.

It is a Cunningham number, because it is equal to 996996²-1.

It is not a de Polignac number, because 994001024015 - 2¹⁴ = 994001007631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4885286 + ... + 5084684.

It is an arithmetic number, because the mean of its divisors is an integer number (76371894900).

Almost surely, 2^994001024015 is an apocalyptic number.

994001024015 is a deficient number, since it is larger than the sum of its proper divisors (227949294385).

994001024015 is a wasteful number, since it uses less digits than its factorization.

994001024015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223762.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 994001024015 in words is "nine hundred ninety-four billion, one million, twenty-four thousand, fifteen".