133115525020 has 24 divisors (see below), whose sum is σ = 279549769968. Its totient is φ = 53244844800.

The previous prime is 133115524973. The next prime is 133115525083. The reversal of 133115525020 is 20525511331.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 133115525020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151460 + ... + 1261780.

It is an arithmetic number, because the mean of its divisors is an integer number (11647907082).

Almost surely, 2^133115525020 is an apocalyptic number.

133115525020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133115525020 is an abundant number, since it is smaller than the sum of its proper divisors (146434244948).

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

133115525020 is a wasteful number, since it uses less digits than its factorization.

133115525020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170661 (or 170659 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 133115525020 in words is "one hundred thirty-three billion, one hundred fifteen million, five hundred twenty-five thousand, twenty".