1150111521 has 16 divisors (see below), whose sum is σ = 1834936320. Its totient is φ = 707760720.

The previous prime is 1150111519. The next prime is 1150111531. The reversal of 1150111521 is 1251110511.

1150111521 is a `hidden beast` number, since 11 + 501 + 1 + 152 + 1 = 666.

It is not a de Polignac number, because 1150111521 - 2¹ = 1150111519 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1150111494 and 1150111503.

It is not an unprimeable number, because it can be changed into a prime (1150111531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1637985 + ... + 1638686.

It is an arithmetic number, because the mean of its divisors is an integer number (114683520).

Almost surely, 2^1150111521 is an apocalyptic number.

It is an amenable number.

1150111521 is a deficient number, since it is larger than the sum of its proper divisors (684824799).

1150111521 is a wasteful number, since it uses less digits than its factorization.

1150111521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276693 (or 3276687 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The square root of 1150111521 is about 33913.2941632039. The cubic root of 1150111521 is about 1047.7234185659.

The spelling of 1150111521 in words is "one billion, one hundred fifty million, one hundred eleven thousand, five hundred twenty-one".