1156327485 has 16 divisors (see below), whose sum is σ = 1858208640. Its totient is φ = 614013120.

The previous prime is 1156327483. The next prime is 1156327541. The reversal of 1156327485 is 5847236511.

It is a happy number.

It is not a de Polignac number, because 1156327485 - 2¹ = 1156327483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156327483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164881 + ... + 171750.

It is an arithmetic number, because the mean of its divisors is an integer number (116138040).

Almost surely, 2^1156327485 is an apocalyptic number.

1156327485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1156327485 is a deficient number, since it is larger than the sum of its proper divisors (701881155).

1156327485 is a wasteful number, since it uses less digits than its factorization.

1156327485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336868.

The product of its digits is 201600, while the sum is 42.

The square root of 1156327485 is about 34004.8156148508. The cubic root of 1156327485 is about 1049.6075585572.

The spelling of 1156327485 in words is "one billion, one hundred fifty-six million, three hundred twenty-seven thousand, four hundred eighty-five".