1151541155 has 8 divisors (see below), whose sum is σ = 1463134752. Its totient is φ = 867042688.

The previous prime is 1151541109. The next prime is 1151541163. The reversal of 1151541155 is 5511451511.

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 1151541155 - 2²⁶ = 1084432291 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, 6773687 + ... + 6773856.

It is an arithmetic number, because the mean of its divisors is an integer number (182891844).

Almost surely, 2^1151541155 is an apocalyptic number.

1151541155 is a deficient number, since it is larger than the sum of its proper divisors (311593597).

1151541155 is a wasteful number, since it uses less digits than its factorization.

1151541155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13547565.

The product of its digits is 2500, while the sum is 29.

The square root of 1151541155 is about 33934.3653985160. The cubic root of 1151541155 is about 1048.1573593299.

Adding to 1151541155 its reverse (5511451511), we get a palindrome (6662992666).

The spelling of 1151541155 in words is "one billion, one hundred fifty-one million, five hundred forty-one thousand, one hundred fifty-five".