99994111140 has 384 divisors, whose sum is σ = 356191911936. Its totient is φ = 20357568000.

The previous prime is 99994111117. The next prime is 99994111169. The reversal of 99994111140 is 4111149999.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 99994111140.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 65312175 + ... + 65313705.

It is an arithmetic number, because the mean of its divisors is an integer number (927583104).

Almost surely, 2^99994111140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99994111140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178095955968).

99994111140 is an abundant number, since it is smaller than the sum of its proper divisors (256197800796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99994111140 is a wasteful number, since it uses less digits than its factorization.

99994111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 99994111140 in words is "ninety-nine billion, nine hundred ninety-four million, one hundred eleven thousand, one hundred forty".