918199901011 has 8 divisors (see below), whose sum is σ = 972229623120. Its totient is φ = 864172174848.

The previous prime is 918199900993. The next prime is 918199901081. The reversal of 918199901011 is 110109991819.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 918199901011 - 2¹¹ = 918199898963 is a prime.

It is a super-3 number, since 3×918199901011³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918199901081) 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 7 ways as a sum of consecutive naturals, for example, 505995 + ... + 1446523.

It is an arithmetic number, because the mean of its divisors is an integer number (121528702890).

Almost surely, 2^918199901011 is an apocalyptic number.

918199901011 is a deficient number, since it is larger than the sum of its proper divisors (54029722109).

918199901011 is a wasteful number, since it uses less digits than its factorization.

918199901011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997973.

The product of its (nonzero) digits is 52488, while the sum is 49.

The spelling of 918199901011 in words is "nine hundred eighteen billion, one hundred ninety-nine million, nine hundred one thousand, eleven".