3991312000111 has 8 divisors (see below), whose sum is σ = 4066651751904. Its totient is φ = 3915973432800.

The previous prime is 3991312000037. The next prime is 3991312000133. The reversal of 3991312000111 is 1110002131993.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3991312000111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3991312000411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9596110 + ... + 10003396.

It is an arithmetic number, because the mean of its divisors is an integer number (508331468988).

Almost surely, 2^{3991312000111} is an apocalyptic number.

3991312000111 is a deficient number, since it is larger than the sum of its proper divisors (75339751793).

3991312000111 is a wasteful number, since it uses less digits than its factorization.

3991312000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592241.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 3991312000111 in words is "three trillion, nine hundred ninety-one billion, three hundred twelve million, one hundred eleven", and thus it is an aban number.