1150728766 has 32 divisors (see below), whose sum is σ = 1937126016. Its totient is φ = 508236000.

The previous prime is 1150728757. The next prime is 1150728767. The reversal of 1150728766 is 6678270511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150728767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106221 + ... + 116551.

It is an arithmetic number, because the mean of its divisors is an integer number (60535188).

Almost surely, 2^1150728766 is an apocalyptic number.

1150728766 is a deficient number, since it is larger than the sum of its proper divisors (786397250).

1150728766 is a wasteful number, since it uses less digits than its factorization.

1150728766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 1150728766 is about 33922.3932823143. The cubic root of 1150728766 is about 1047.9108167364.

The spelling of 1150728766 in words is "one billion, one hundred fifty million, seven hundred twenty-eight thousand, seven hundred sixty-six".