1159503538 has 16 divisors (see below), whose sum is σ = 1838406240. Its totient is φ = 546955200.

The previous prime is 1159503517. The next prime is 1159503593. The reversal of 1159503538 is 8353059511.

It is a self number, because there is not a number n which added to its sum of digits gives 1159503538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54148 + ... + 72463.

It is an arithmetic number, because the mean of its divisors is an integer number (114900390).

Almost surely, 2^1159503538 is an apocalyptic number.

1159503538 is a deficient number, since it is larger than the sum of its proper divisors (678902702).

1159503538 is a wasteful number, since it uses less digits than its factorization.

1159503538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126873.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 1159503538 is about 34051.4836387491. The cubic root of 1159503538 is about 1050.5676561698.

The spelling of 1159503538 in words is "one billion, one hundred fifty-nine million, five hundred three thousand, five hundred thirty-eight".