153543252561220 has 48 divisors (see below), whose sum is σ = 322859719163520. Its totient is φ = 61337543065344.

The previous prime is 153543252561203. The next prime is 153543252561277. The reversal of 153543252561220 is 22165252345351.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80141211 + ... + 82034749.

It is an arithmetic number, because the mean of its divisors is an integer number (6726244149240).

Almost surely, 2^{153543252561220} is an apocalyptic number.

153543252561220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153543252561220 is an abundant number, since it is smaller than the sum of its proper divisors (169316466602300).

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

153543252561220 is a wasteful number, since it uses less digits than its factorization.

153543252561220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898812 (or 1898810 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 153543252561220 in words is "one hundred fifty-three trillion, five hundred forty-three billion, two hundred fifty-two million, five hundred sixty-one thousand, two hundred twenty".