1159553794 has 16 divisors (see below), whose sum is σ = 2005400448. Its totient is φ = 492553152.

The previous prime is 1159553789. The next prime is 1159553797. The reversal of 1159553794 is 4973559511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1159553797) 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, 364902 + ... + 368065.

It is an arithmetic number, because the mean of its divisors is an integer number (125337528).

Almost surely, 2^1159553794 is an apocalyptic number.

1159553794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1159553794 is a deficient number, since it is larger than the sum of its proper divisors (845846654).

1159553794 is a wasteful number, since it uses less digits than its factorization.

1159553794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733089.

The product of its digits is 850500, while the sum is 49.

The square root of 1159553794 is about 34052.2215721677. The cubic root of 1159553794 is about 1050.5828340925.

The spelling of 1159553794 in words is "one billion, one hundred fifty-nine million, five hundred fifty-three thousand, seven hundred ninety-four".