1255011153 has 24 divisors (see below), whose sum is σ = 1857565248. Its totient is φ = 753060000.

The previous prime is 1255011151. The next prime is 1255011167. The reversal of 1255011153 is 3511105521.

It is not a de Polignac number, because 1255011153 - 2¹ = 1255011151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255011151) 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 23 ways as a sum of consecutive naturals, for example, 19548 + ... + 53778.

It is an arithmetic number, because the mean of its divisors is an integer number (77398552).

Almost surely, 2^1255011153 is an apocalyptic number.

It is an amenable number.

1255011153 is a deficient number, since it is larger than the sum of its proper divisors (602554095).

1255011153 is a wasteful number, since it uses less digits than its factorization.

1255011153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34357 (or 34346 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1255011153 is about 35426.1365802143. The cubic root of 1255011153 is about 1078.6549192641.

Adding to 1255011153 its reverse (3511105521), we get a palindrome (4766116674).

The spelling of 1255011153 in words is "one billion, two hundred fifty-five million, eleven thousand, one hundred fifty-three".