2155663504355 has 8 divisors (see below), whose sum is σ = 2590975201200. Its totient is φ = 1721744806176.

The previous prime is 2155663504343. The next prime is 2155663504411. The reversal of 2155663504355 is 5534053665512.

It is a happy number.

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 2155663504355 - 2¹² = 2155663500259 is a prime.

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, 348246260 + ... + 348252449.

It is an arithmetic number, because the mean of its divisors is an integer number (323871900150).

Almost surely, 2^{2155663504355} is an apocalyptic number.

2155663504355 is a deficient number, since it is larger than the sum of its proper divisors (435311696845).

2155663504355 is an equidigital number, since it uses as much as digits as its factorization.

2155663504355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696499333.

The product of its (nonzero) digits is 8100000, while the sum is 50.

The spelling of 2155663504355 in words is "two trillion, one hundred fifty-five billion, six hundred sixty-three million, five hundred four thousand, three hundred fifty-five".