1159041436 has 72 divisors (see below), whose sum is σ = 2520484736. Its totient is φ = 456503040.

The previous prime is 1159041427. The next prime is 1159041511. The reversal of 1159041436 is 6341409511.

It is a hoax number, since the sum of its digits (34) 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 (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346291 + ... + 349621.

Almost surely, 2^1159041436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159041436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260242368).

1159041436 is an abundant number, since it is smaller than the sum of its proper divisors (1361443300).

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

1159041436 is a wasteful number, since it uses less digits than its factorization.

1159041436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1159041436 is about 34044.6976194532. The cubic root of 1159041436 is about 1050.4280751895.

The spelling of 1159041436 in words is "one billion, one hundred fifty-nine million, forty-one thousand, four hundred thirty-six".