27750602155 has 32 divisors (see below), whose sum is σ = 35019452160. Its totient is φ = 21091000320.

The previous prime is 27750602149. The next prime is 27750602161. The reversal of 27750602155 is 55120605772.

It is an interprime number because it is at equal distance from previous prime (27750602149) and next prime (27750602161).

It is not a de Polignac number, because 27750602155 - 2¹⁹ = 27750077867 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1170499 + ... + 1193971.

It is an arithmetic number, because the mean of its divisors is an integer number (1094357880).

Almost surely, 2^27750602155 is an apocalyptic number.

27750602155 is a deficient number, since it is larger than the sum of its proper divisors (7268850005).

27750602155 is a wasteful number, since it uses less digits than its factorization.

27750602155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23671.

The product of its (nonzero) digits is 147000, while the sum is 40.

The spelling of 27750602155 in words is "twenty-seven billion, seven hundred fifty million, six hundred two thousand, one hundred fifty-five".