1151000111 has 8 divisors (see below), whose sum is σ = 1200069120. Its totient is φ = 1102556448.

The previous prime is 1151000101. The next prime is 1151000119. The reversal of 1151000111 is 1110001511.

It is a happy number.

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 1151000111 - 2⁶ = 1151000047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151000092 and 1151000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151000119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152576 + ... + 159941.

It is an arithmetic number, because the mean of its divisors is an integer number (150008640).

Almost surely, 2^1151000111 is an apocalyptic number.

1151000111 is a deficient number, since it is larger than the sum of its proper divisors (49069009).

1151000111 is a wasteful number, since it uses less digits than its factorization.

1151000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312673.

The product of its (nonzero) digits is 5, while the sum is 11.

The square root of 1151000111 is about 33926.3925432693. The cubic root of 1151000111 is about 1047.9931770116.

Adding to 1151000111 its reverse (1110001511), we get a palindrome (2261001622).

The spelling of 1151000111 in words is "one billion, one hundred fifty-one million, one hundred eleven", and thus it is an aban number.