1155358079 has 8 divisors (see below), whose sum is σ = 1187685792. Its totient is φ = 1123476480.

The previous prime is 1155358067. The next prime is 1155358081. The reversal of 1155358079 is 9708535511.

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 1155358079 - 2¹⁶ = 1155292543 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 (1155358049) 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, 106274 + ... + 116639.

It is an arithmetic number, because the mean of its divisors is an integer number (148460724).

Almost surely, 2^1155358079 is an apocalyptic number.

1155358079 is a deficient number, since it is larger than the sum of its proper divisors (32327713).

1155358079 is an equidigital number, since it uses as much as digits as its factorization.

1155358079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223057.

The product of its (nonzero) digits is 189000, while the sum is 44.

The square root of 1155358079 is about 33990.5586744319. The cubic root of 1155358079 is about 1049.3141640678.

The spelling of 1155358079 in words is "one billion, one hundred fifty-five million, three hundred fifty-eight thousand, seventy-nine".