133525051553 has 16 divisors (see below), whose sum is σ = 136285364160. Its totient is φ = 130782253056.

The previous prime is 133525051547. The next prime is 133525051573. The reversal of 133525051553 is 355150525331.

It is a cyclic number.

It is not a de Polignac number, because 133525051553 - 2⁶ = 133525051489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133525051523) 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 15 ways as a sum of consecutive naturals, for example, 19134401 + ... + 19141377.

It is an arithmetic number, because the mean of its divisors is an integer number (8517835260).

Almost surely, 2^133525051553 is an apocalyptic number.

It is an amenable number.

133525051553 is a deficient number, since it is larger than the sum of its proper divisors (2760312607).

133525051553 is an equidigital number, since it uses as much as digits as its factorization.

133525051553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176.

The product of its (nonzero) digits is 168750, while the sum is 38.

Adding to 133525051553 its reverse (355150525331), we get a palindrome (488675576884).

The spelling of 133525051553 in words is "one hundred thirty-three billion, five hundred twenty-five million, fifty-one thousand, five hundred fifty-three".