1111011000001 has 16 divisors (see below), whose sum is σ = 1325136556800. Its totient is φ = 910750629888.

The previous prime is 1111010999921. The next prime is 1111011000023. The reversal of 1111011000001 is 1000001101111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111011000001 - 2¹³ = 1111010991809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (1111011000061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522705 + ... + 1579633.

It is an arithmetic number, because the mean of its divisors is an integer number (82821034800).

Almost surely, 2^{1111011000001} is an apocalyptic number.

It is an amenable number.

1111011000001 is a deficient number, since it is larger than the sum of its proper divisors (214125556799).

1111011000001 is a wasteful number, since it uses less digits than its factorization.

1111011000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063488.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1111011000001 its reverse (1000001101111), we get a palindrome (2111012101112).

The spelling of 1111011000001 in words is "one trillion, one hundred eleven billion, eleven million, one", and thus it is an aban number.