1151233355 has 8 divisors (see below), whose sum is σ = 1418817552. Its totient is φ = 896095008.

The previous prime is 1151233339. The next prime is 1151233357. The reversal of 1151233355 is 5533321511.

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 1151233355 - 2⁴ = 1151233339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151233357) 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, 3111257 + ... + 3111626.

It is an arithmetic number, because the mean of its divisors is an integer number (177352194).

Almost surely, 2^1151233355 is an apocalyptic number.

1151233355 is a deficient number, since it is larger than the sum of its proper divisors (267584197).

1151233355 is an equidigital number, since it uses as much as digits as its factorization.

1151233355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222925.

The product of its digits is 6750, while the sum is 29.

The square root of 1151233355 is about 33929.8298698947. The cubic root of 1151233355 is about 1048.0639622961.

Adding to 1151233355 its reverse (5533321511), we get a palindrome (6684554866).

The spelling of 1151233355 in words is "one billion, one hundred fifty-one million, two hundred thirty-three thousand, three hundred fifty-five".