1255320232011 has 12 divisors (see below), whose sum is σ = 1817974649088. Its totient is φ = 834695086704.

The previous prime is 1255320231943. The next prime is 1255320232069. The reversal of 1255320232011 is 1102320235521.

1255320232011 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 320 + 2 + 320 + 11 = 666.

It is not a de Polignac number, because 1255320232011 - 2²² = 1255316037707 is a prime.

It is a super-3 number, since 3×1255320232011³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255320230011) 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 11 ways as a sum of consecutive naturals, for example, 182085360 + ... + 182092253.

It is an arithmetic number, because the mean of its divisors is an integer number (151497887424).

Almost surely, 2^{1255320232011} is an apocalyptic number.

1255320232011 is a deficient number, since it is larger than the sum of its proper divisors (562654417077).

1255320232011 is a wasteful number, since it uses less digits than its factorization.

1255320232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364178002 (or 364177999 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1255320232011 its reverse (1102320235521), we get a palindrome (2357640467532).

The spelling of 1255320232011 in words is "one trillion, two hundred fifty-five billion, three hundred twenty million, two hundred thirty-two thousand, eleven".