220115553332545 has 8 divisors (see below), whose sum is σ = 284457022768296. Its totient is φ = 162546870153216.

The previous prime is 220115553332513. The next prime is 220115553332683. The reversal of 220115553332545 is 545233355511022.

It can be written as a sum of positive squares in 4 ways, for example, as 477492056064 + 219638061276481 = 691008^2 + 14820191^2 .

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 220115553332545 - 2⁵ = 220115553332513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220115553332495 and 220115553332504.

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, 1693196564032 + ... + 1693196564161.

It is an arithmetic number, because the mean of its divisors is an integer number (35557127846037).

Almost surely, 2^{220115553332545} is an apocalyptic number.

It is an amenable number.

220115553332545 is a deficient number, since it is larger than the sum of its proper divisors (64341469435751).

220115553332545 is a wasteful number, since it uses less digits than its factorization.

220115553332545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386393128211.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 220115553332545 in words is "two hundred twenty trillion, one hundred fifteen billion, five hundred fifty-three million, three hundred thirty-two thousand, five hundred forty-five".