1159967520 has 384 divisors, whose sum is σ = 4311014400. Its totient is φ = 290820096.

The previous prime is 1159967519. The next prime is 1159967551. The reversal of 1159967520 is 257699511.

1159967520 is a `hidden beast` number, since 1 + 1 + 599 + 6 + 7 + 52 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5888062 + ... + 5888258.

It is an arithmetic number, because the mean of its divisors is an integer number (11226600).

Almost surely, 2^1159967520 is an apocalyptic number.

1159967520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159967520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2155507200).

1159967520 is an abundant number, since it is smaller than the sum of its proper divisors (3151046880).

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

1159967520 is a wasteful number, since it uses less digits than its factorization.

1159967520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The square root of 1159967520 is about 34058.2959056967. The cubic root of 1159967520 is about 1050.7077677097.

The spelling of 1159967520 in words is "one billion, one hundred fifty-nine million, nine hundred sixty-seven thousand, five hundred twenty".