1150111499 has 4 divisors (see below), whose sum is σ = 1150179336. Its totient is φ = 1150043664.

The previous prime is 1150111483. The next prime is 1150111513. The reversal of 1150111499 is 9941110511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9941110511 = 71 ⋅140015641.

It is a cyclic number.

It is not a de Polignac number, because 1150111499 - 2⁴ = 1150111483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150111409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16112 + ... + 50594.

It is an arithmetic number, because the mean of its divisors is an integer number (287544834).

Almost surely, 2^1150111499 is an apocalyptic number.

1150111499 is a deficient number, since it is larger than the sum of its proper divisors (67837).

1150111499 is an equidigital number, since it uses as much as digits as its factorization.

1150111499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67836.

The product of its (nonzero) digits is 1620, while the sum is 32.

The square root of 1150111499 is about 33913.2938388473. The cubic root of 1150111499 is about 1047.7234118854.

The spelling of 1150111499 in words is "one billion, one hundred fifty million, one hundred eleven thousand, four hundred ninety-nine".