1155454013 has 8 divisors (see below), whose sum is σ = 1377932928. Its totient is φ = 947328624.

The previous prime is 1155453991. The next prime is 1155454021. The reversal of 1155454013 is 3104545511.

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 1155454013 - 2¹⁴ = 1155437629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155454043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588206 + ... + 3588527.

It is an arithmetic number, because the mean of its divisors is an integer number (172241616).

Almost surely, 2^1155454013 is an apocalyptic number.

It is an amenable number.

1155454013 is a deficient number, since it is larger than the sum of its proper divisors (222478915).

1155454013 is an equidigital number, since it uses as much as digits as its factorization.

1155454013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176763.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1155454013 is about 33991.9698311234. The cubic root of 1155454013 is about 1049.3432061806.

Adding to 1155454013 its reverse (3104545511), we get a palindrome (4259999524).

The spelling of 1155454013 in words is "one billion, one hundred fifty-five million, four hundred fifty-four thousand, thirteen".