1151140441 has 8 divisors (see below), whose sum is σ = 1321884000. Its totient is φ = 991412640.

The previous prime is 1151140433. The next prime is 1151140447. The reversal of 1151140441 is 1440411511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151140441 - 2³ = 1151140433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151140447) 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, 2753716 + ... + 2754133.

It is an arithmetic number, because the mean of its divisors is an integer number (165235500).

Almost surely, 2^1151140441 is an apocalyptic number.

1151140441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1151140441 is a deficient number, since it is larger than the sum of its proper divisors (170743559).

1151140441 is a wasteful number, since it uses less digits than its factorization.

1151140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507879.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1151140441 is about 33928.4606341048. The cubic root of 1151140441 is about 1048.0357657437.

Adding to 1151140441 its reverse (1440411511), we get a palindrome (2591551952).

The spelling of 1151140441 in words is "one billion, one hundred fifty-one million, one hundred forty thousand, four hundred forty-one".