1156055359 has 4 divisors (see below), whose sum is σ = 1157481640. Its totient is φ = 1154629080.

The previous prime is 1156055357. The next prime is 1156055431. The reversal of 1156055359 is 9535506511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9535506511 = 4703 ⋅2027537.

It is a cyclic number.

It is not a de Polignac number, because 1156055359 - 2¹ = 1156055357 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 (1156055357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711924 + ... + 713545.

It is an arithmetic number, because the mean of its divisors is an integer number (289370410).

Almost surely, 2^1156055359 is an apocalyptic number.

1156055359 is a deficient number, since it is larger than the sum of its proper divisors (1426281).

1156055359 is an equidigital number, since it uses as much as digits as its factorization.

1156055359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426280.

The product of its (nonzero) digits is 101250, while the sum is 40.

The square root of 1156055359 is about 34000.8140931949. The cubic root of 1156055359 is about 1049.5252151268.

The spelling of 1156055359 in words is "one billion, one hundred fifty-six million, fifty-five thousand, three hundred fifty-nine".