133121003123115 has 48 divisors (see below), whose sum is σ = 275171862371328. Its totient is φ = 58209432418368.

The previous prime is 133121003123077. The next prime is 133121003123183. The reversal of 133121003123115 is 511321300121331.

133121003123115 is a `hidden beast` number, since 1 + 3 + 31 + 2 + 1 + 0 + 0 + 312 + 311 + 5 = 666.

It is not a de Polignac number, because 133121003123115 - 2⁶ = 133121003123051 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9187087519 + ... + 9187102008.

It is an arithmetic number, because the mean of its divisors is an integer number (5732747132736).

Almost surely, 2^{133121003123115} is an apocalyptic number.

133121003123115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133121003123115 is an abundant number, since it is smaller than the sum of its proper divisors (142050859248213).

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

133121003123115 is a wasteful number, since it uses less digits than its factorization.

133121003123115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18374189568 (or 18374189565 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 133121003123115 its reverse (511321300121331), we get a palindrome (644442303244446).

The spelling of 133121003123115 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, three million, one hundred twenty-three thousand, one hundred fifteen".