1150021518 has 8 divisors (see below), whose sum is σ = 2300043048. Its totient is φ = 383340504.

The previous prime is 1150021517. The next prime is 1150021589. The reversal of 1150021518 is 8151200511.

It is a sphenic number, since it is the product of 3 distinct primes.

1150021518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150021511) 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 3 ways as a sum of consecutive naturals, for example, 95835121 + ... + 95835132.

It is an arithmetic number, because the mean of its divisors is an integer number (287505381).

Almost surely, 2^1150021518 is an apocalyptic number.

1150021518 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.

1150021518 is a wasteful number, since it uses less digits than its factorization.

1150021518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191670258.

The product of its (nonzero) digits is 400, while the sum is 24.

The square root of 1150021518 is about 33911.9671797435. The cubic root of 1150021518 is about 1047.6960876769.

The spelling of 1150021518 in words is "one billion, one hundred fifty million, twenty-one thousand, five hundred eighteen".