133355450025 has 144 divisors (see below), whose sum is σ = 277447742208. Its totient is φ = 59967936000.

The previous prime is 133355449999. The next prime is 133355450057. The reversal of 133355450025 is 520054553331.

133355450025 is a `hidden beast` number, since 1 + 3 + 33 + 554 + 50 + 0 + 25 = 666.

It is not a de Polignac number, because 133355450025 - 2⁸ = 133355449769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 62285455 + ... + 62287595.

It is an arithmetic number, because the mean of its divisors is an integer number (1926720432).

Almost surely, 2^133355450025 is an apocalyptic number.

133355450025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133355450025 is an abundant number, since it is smaller than the sum of its proper divisors (144092292183).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133355450025 is a wasteful number, since it uses less digits than its factorization.

133355450025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2784 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 133355450025 in words is "one hundred thirty-three billion, three hundred fifty-five million, four hundred fifty thousand, twenty-five".