1151303155 has 8 divisors (see below), whose sum is σ = 1462832352. Its totient is φ = 866863488.

The previous prime is 1151303129. The next prime is 1151303207. The reversal of 1151303155 is 5513031511.

It is a happy number.

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 1151303155 - 2⁹ = 1151302643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772287 + ... + 6772456.

It is an arithmetic number, because the mean of its divisors is an integer number (182854044).

Almost surely, 2^1151303155 is an apocalyptic number.

1151303155 is a deficient number, since it is larger than the sum of its proper divisors (311529197).

1151303155 is a wasteful number, since it uses less digits than its factorization.

1151303155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544765.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 1151303155 is about 33930.8584477316. The cubic root of 1151303155 is about 1048.0851434597.

Adding to 1151303155 its reverse (5513031511), we get a palindrome (6664334666).

The spelling of 1151303155 in words is "one billion, one hundred fifty-one million, three hundred three thousand, one hundred fifty-five".