9999011015 has 8 divisors (see below), whose sum is σ = 13712929440. Its totient is φ = 6856464672.

The previous prime is 9999010991. The next prime is 9999011051. The reversal of 9999011015 is 5101109999.

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 9999011015 - 2⁸ = 9999010759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142842980 + ... + 142843049.

It is an arithmetic number, because the mean of its divisors is an integer number (1714116180).

Almost surely, 2^9999011015 is an apocalyptic number.

9999011015 is a deficient number, since it is larger than the sum of its proper divisors (3713918425).

9999011015 is a wasteful number, since it uses less digits than its factorization.

9999011015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285686041.

The product of its (nonzero) digits is 32805, while the sum is 44.

The square root of 9999011015 is about 99995.0549527325. The cubic root of 9999011015 is about 2154.3636642373.

The spelling of 9999011015 in words is "nine billion, nine hundred ninety-nine million, eleven thousand, fifteen".