133533010553 has 4 divisors (see below), whose sum is σ = 140561063760. Its totient is φ = 126504957348.

The previous prime is 133533010547. The next prime is 133533010607. The reversal of 133533010553 is 355010335331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133533010553 - 2⁶ = 133533010489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133533010543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3514026575 + ... + 3514026612.

It is an arithmetic number, because the mean of its divisors is an integer number (35140265940).

Almost surely, 2^133533010553 is an apocalyptic number.

It is an amenable number.

133533010553 is a deficient number, since it is larger than the sum of its proper divisors (7028053207).

133533010553 is an equidigital number, since it uses as much as digits as its factorization.

133533010553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7028053206.

The product of its (nonzero) digits is 30375, while the sum is 32.

Adding to 133533010553 its reverse (355010335331), we get a palindrome (488543345884).

The spelling of 133533010553 in words is "one hundred thirty-three billion, five hundred thirty-three million, ten thousand, five hundred fifty-three".