133551215131250 has 384 divisors, whose sum is σ = 305052935362560. Its totient is φ = 42952705920000.

The previous prime is 133551215131249. The next prime is 133551215131289. The reversal of 133551215131250 is 52131512155331.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 78884355404 + ... + 78884357096.

It is an arithmetic number, because the mean of its divisors is an integer number (794408685840).

Almost surely, 2^{133551215131250} is an apocalyptic number.

133551215131250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133551215131250 is an abundant number, since it is smaller than the sum of its proper divisors (171501720231310).

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

133551215131250 is an frugal number, since it uses more digits than its factorization.

133551215131250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2091 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 38.

Adding to 133551215131250 its reverse (52131512155331), we get a palindrome (185682727286581).

The spelling of 133551215131250 in words is "one hundred thirty-three trillion, five hundred fifty-one billion, two hundred fifteen million, one hundred thirty-one thousand, two hundred fifty".