133325055451 has 6 divisors (see below), whose sum is σ = 155092411500. Its totient is φ = 114278618916.

The previous prime is 133325055433. The next prime is 133325055481. The reversal of 133325055451 is 154550523331.

It is not a de Polignac number, because 133325055451 - 2⁷ = 133325055323 is a prime.

It is a super-2 number, since 2×133325055451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133325055451.

It is not an unprimeable number, because it can be changed into a prime (133325055481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1360459701 + ... + 1360459798.

It is an arithmetic number, because the mean of its divisors is an integer number (25848735250).

Almost surely, 2^133325055451 is an apocalyptic number.

133325055451 is a deficient number, since it is larger than the sum of its proper divisors (21767356049).

133325055451 is an equidigital number, since it uses as much as digits as its factorization.

133325055451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720919513 (or 2720919506 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

Adding to 133325055451 its reverse (154550523331), we get a palindrome (287875578782).

The spelling of 133325055451 in words is "one hundred thirty-three billion, three hundred twenty-five million, fifty-five thousand, four hundred fifty-one".