11901000011111 has 8 divisors (see below), whose sum is σ = 12605257842624. Its totient is φ = 11197208736000.

The previous prime is 11901000011081. The next prime is 11901000011123. The reversal of 11901000011111 is 11111000010911.

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

It is a cyclic number.

It is not a de Polignac number, because 11901000011111 - 2³⁴ = 11883820141927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11901000011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11901000511111) 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, 116586575 + ... + 116688608.

It is an arithmetic number, because the mean of its divisors is an integer number (1575657230328).

Almost surely, 2^{11901000011111} is an apocalyptic number.

11901000011111 is a deficient number, since it is larger than the sum of its proper divisors (704257831513).

11901000011111 is a wasteful number, since it uses less digits than its factorization.

11901000011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233278201.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 11901000011111 in words is "eleven trillion, nine hundred one billion, eleven thousand, one hundred eleven".