1151171801 has 16 divisors (see below), whose sum is σ = 1279732608. Its totient is φ = 1028726400.

The previous prime is 1151171789. The next prime is 1151171803. The reversal of 1151171801 is 1081711511.

It is not a de Polignac number, because 1151171801 - 2¹⁰ = 1151170777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151171803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61580 + ... + 78066.

It is an arithmetic number, because the mean of its divisors is an integer number (79983288).

Almost surely, 2^1151171801 is an apocalyptic number.

It is an amenable number.

1151171801 is a deficient number, since it is larger than the sum of its proper divisors (128560807).

1151171801 is a wasteful number, since it uses less digits than its factorization.

1151171801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672.

The product of its (nonzero) digits is 280, while the sum is 26.

The square root of 1151171801 is about 33928.9227798349. The cubic root of 1151171801 is about 1048.0452827126.

The spelling of 1151171801 in words is "one billion, one hundred fifty-one million, one hundred seventy-one thousand, eight hundred one".