1155003441 has 8 divisors (see below), whose sum is σ = 1540273440. Its totient is φ = 769867872.

The previous prime is 1155003439. The next prime is 1155003457. The reversal of 1155003441 is 1443005511.

It is a happy number.

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

It is not a de Polignac number, because 1155003441 - 2¹ = 1155003439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1155003461) 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, 11476 + ... + 49413.

It is an arithmetic number, because the mean of its divisors is an integer number (192534180).

Almost surely, 2^1155003441 is an apocalyptic number.

It is an amenable number.

1155003441 is a deficient number, since it is larger than the sum of its proper divisors (385269999).

1155003441 is an equidigital number, since it uses as much as digits as its factorization.

1155003441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67215.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1155003441 is about 33985.3415607376. The cubic root of 1155003441 is about 1049.2067904998.

Adding to 1155003441 its reverse (1443005511), we get a palindrome (2598008952).

The spelling of 1155003441 in words is "one billion, one hundred fifty-five million, three thousand, four hundred forty-one".