1150523164 has 12 divisors (see below), whose sum is σ = 2301046384. Its totient is φ = 493081344.

The previous prime is 1150523147. The next prime is 1150523197. The reversal of 1150523164 is 4613250511.

1150523164 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 41090113 = 1150523164 / (1 + 1 + 5 + 0 + 5 + 2 + 3 + 1 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20545029 + ... + 20545084.

Almost surely, 2^1150523164 is an apocalyptic number.

1150523164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1150523164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150523164 is a wasteful number, since it uses less digits than its factorization.

1150523164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41090124 (or 41090122 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1150523164 is about 33919.3626708993. The cubic root of 1150523164 is about 1047.8484025518.

Adding to 1150523164 its reverse (4613250511), we get a palindrome (5763773675).

The spelling of 1150523164 in words is "one billion, one hundred fifty million, five hundred twenty-three thousand, one hundred sixty-four".