1220554505153 has 8 divisors (see below), whose sum is σ = 1229899276320. Its totient is φ = 1211210151840.

The previous prime is 1220554505147. The next prime is 1220554505201. The reversal of 1220554505153 is 3515054550221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220554505153 - 2²² = 1220550310849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220554505123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8394053 + ... + 8538221.

It is an arithmetic number, because the mean of its divisors is an integer number (153737409540).

Almost surely, 2^{1220554505153} is an apocalyptic number.

It is an amenable number.

1220554505153 is a deficient number, since it is larger than the sum of its proper divisors (9344771167).

1220554505153 is a wasteful number, since it uses less digits than its factorization.

1220554505153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208927.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 1220554505153 in words is "one trillion, two hundred twenty billion, five hundred fifty-four million, five hundred five thousand, one hundred fifty-three".