2151155565355 has 8 divisors (see below), whose sum is σ = 2581452867600. Its totient is φ = 1720880326176.

The previous prime is 2151155565347. The next prime is 2151155565379. The reversal of 2151155565355 is 5535655511512.

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 2151155565355 - 2³ = 2151155565347 is a prime.

It is a super-3 number, since 3×2151155565355³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2151155565299 and 2151155565308.

It is an unprimeable number.

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, 5300500 + ... + 5691889.

It is an arithmetic number, because the mean of its divisors is an integer number (322681608450).

Almost surely, 2^{2151155565355} is an apocalyptic number.

2151155565355 is a deficient number, since it is larger than the sum of its proper divisors (430297302245).

2151155565355 is a wasteful number, since it uses less digits than its factorization.

2151155565355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031533.

The product of its digits is 2812500, while the sum is 49.

The spelling of 2151155565355 in words is "two trillion, one hundred fifty-one billion, one hundred fifty-five million, five hundred sixty-five thousand, three hundred fifty-five".