9994315511 has 4 divisors (see below), whose sum is σ = 10428850992. Its totient is φ = 9559780032.

The previous prime is 9994315489. The next prime is 9994315543. The reversal of 9994315511 is 1155134999.

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

It is a cyclic number.

It is not a de Polignac number, because 9994315511 - 2⁶ = 9994315447 is a prime.

It is a super-3 number, since 3×9994315511³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994311511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217267706 + ... + 217267751.

It is an arithmetic number, because the mean of its divisors is an integer number (2607212748).

Almost surely, 2^9994315511 is an apocalyptic number.

9994315511 is a deficient number, since it is larger than the sum of its proper divisors (434535481).

9994315511 is a wasteful number, since it uses less digits than its factorization.

9994315511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434535480.

The product of its digits is 218700, while the sum is 47.

The square root of 9994315511 is about 99971.5735146747. The cubic root of 9994315511 is about 2154.0263839785.

The spelling of 9994315511 in words is "nine billion, nine hundred ninety-four million, three hundred fifteen thousand, five hundred eleven".