994111607099331 has 18 divisors (see below), whose sum is σ = 1670378006487372. Its totient is φ = 568063775485080.

The previous prime is 994111607099293. The next prime is 994111607099353. The reversal of 994111607099331 is 133990706111499.

994111607099331 is a `hidden beast` number, since 9 + 9 + 4 + 1 + 11 + 607 + 0 + 9 + 9 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 994111607099331 - 2¹⁰ = 994111607098307 is a prime.

It is a super-2 number, since 2×994111607099331² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (994111607098331) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1127110665205 + ... + 1127110666086.

Almost surely, 2^{994111607099331} is an apocalyptic number.

994111607099331 is a deficient number, since it is larger than the sum of its proper divisors (676266399388041).

994111607099331 is a wasteful number, since it uses less digits than its factorization.

994111607099331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254221331311 (or 2254221331301 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 63.

The spelling of 994111607099331 in words is "nine hundred ninety-four trillion, one hundred eleven billion, six hundred seven million, ninety-nine thousand, three hundred thirty-one".