1155354115 has 8 divisors (see below), whose sum is σ = 1390884768. Its totient is φ = 921310080.

The previous prime is 1155354077. The next prime is 1155354121. The reversal of 1155354115 is 5114535511.

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 1155354115 - 2¹⁵ = 1155321347 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, 369942 + ... + 373051.

It is an arithmetic number, because the mean of its divisors is an integer number (173860596).

Almost surely, 2^1155354115 is an apocalyptic number.

1155354115 is a deficient number, since it is larger than the sum of its proper divisors (235530653).

1155354115 is an equidigital number, since it uses as much as digits as its factorization.

1155354115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743309.

The product of its digits is 7500, while the sum is 31.

The square root of 1155354115 is about 33990.5003640723. The cubic root of 1155354115 is about 1049.3129640109.

Adding to 1155354115 its reverse (5114535511), we get a palindrome (6269889626).

The spelling of 1155354115 in words is "one billion, one hundred fifty-five million, three hundred fifty-four thousand, one hundred fifteen".