1011598960 has 40 divisors (see below), whose sum is σ = 2384200080. Its totient is φ = 399094272.

The previous prime is 1011598927. The next prime is 1011598961. The reversal of 1011598960 is 698951101.

1011598960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (40) 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 (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011598961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80770 + ... + 92449.

It is an arithmetic number, because the mean of its divisors is an integer number (59605002).

Almost surely, 2^1011598960 is an apocalyptic number.

1011598960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011598960 is an abundant number, since it is smaller than the sum of its proper divisors (1372601120).

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

1011598960 is a wasteful number, since it uses less digits than its factorization.

1011598960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173305 (or 173299 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 1011598960 is about 31805.6435243810. The cubic root of 1011598960 is about 1003.8514671568.

The spelling of 1011598960 in words is "one billion, eleven million, five hundred ninety-eight thousand, nine hundred sixty".