1254531133233 has 24 divisors (see below), whose sum is σ = 2097186873600. Its totient is φ = 707800564224.

The previous prime is 1254531133231. The next prime is 1254531133253. The reversal of 1254531133233 is 3323311354521.

1254531133233 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 5 + 311 + 332 + 3 + 3 = 666.

It is not a de Polignac number, because 1254531133233 - 2¹ = 1254531133231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254531133231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126027888 + ... + 126037841.

It is an arithmetic number, because the mean of its divisors is an integer number (87382786400).

Almost surely, 2^{1254531133233} is an apocalyptic number.

It is an amenable number.

1254531133233 is a deficient number, since it is larger than the sum of its proper divisors (842655740367).

1254531133233 is a wasteful number, since it uses less digits than its factorization.

1254531133233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252065821 (or 252065818 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

Adding to 1254531133233 its reverse (3323311354521), we get a palindrome (4577842487754).

It can be divided in two parts, 12545 and 31133233, that added together give a triangular number (31145778 = T₇₈₉₂).

The spelling of 1254531133233 in words is "one trillion, two hundred fifty-four billion, five hundred thirty-one million, one hundred thirty-three thousand, two hundred thirty-three".