1156425984 has 360 divisors, whose sum is σ = 4083813888. Its totient is φ = 318504960.

The previous prime is 1156425979. The next prime is 1156426001. The reversal of 1156425984 is 4895246511.

1156425984 is a `hidden beast` number, since 1 + 1 + 56 + 4 + 2 + 598 + 4 = 666.

Its product of digits (345600) is a multiple of the sum of its prime divisors (300).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4499584 + ... + 4499840.

Almost surely, 2^1156425984 is an apocalyptic number.

1156425984 is a gapful number since it is divisible by the number (14) 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 1156425984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2041906944).

1156425984 is an abundant number, since it is smaller than the sum of its proper divisors (2927387904).

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

1156425984 is an equidigital number, since it uses as much as digits as its factorization.

1156425984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 300 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1156425984 is about 34006.2638935829. The cubic root of 1156425984 is about 1049.6373604835.

The spelling of 1156425984 in words is "one billion, one hundred fifty-six million, four hundred twenty-five thousand, nine hundred eighty-four".