133511124452 has 12 divisors (see below), whose sum is σ = 247388260140. Its totient is φ = 62828764416.

The previous prime is 133511124451. The next prime is 133511124479. The reversal of 133511124452 is 254421115331.

It can be written as a sum of positive squares in 2 ways, for example, as 95293220416 + 38217904036 = 308696^2 + 195494^2 .

It is not an unprimeable number, because it can be changed into a prime (133511124451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981699377 + ... + 981699512.

It is an arithmetic number, because the mean of its divisors is an integer number (20615688345).

Almost surely, 2^133511124452 is an apocalyptic number.

It is an amenable number.

133511124452 is a deficient number, since it is larger than the sum of its proper divisors (113877135688).

133511124452 is a wasteful number, since it uses less digits than its factorization.

133511124452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963398910 (or 1963398908 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 133511124452 its reverse (254421115331), we get a palindrome (387932239783).

The spelling of 133511124452 in words is "one hundred thirty-three billion, five hundred eleven million, one hundred twenty-four thousand, four hundred fifty-two".