27780050502555 has 32 divisors (see below), whose sum is σ = 47872649314560. Its totient is φ = 13674765306240.

The previous prime is 27780050502541. The next prime is 27780050502593. The reversal of 27780050502555 is 55520505008772.

It is not a de Polignac number, because 27780050502555 - 2¹³ = 27780050494363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27780050502498 and 27780050502507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6455845 + ... + 9860934.

It is an arithmetic number, because the mean of its divisors is an integer number (1496020291080).

Almost surely, 2^{27780050502555} is an apocalyptic number.

27780050502555 is a deficient number, since it is larger than the sum of its proper divisors (20092598812005).

27780050502555 is a wasteful number, since it uses less digits than its factorization.

27780050502555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16325531.

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 27780050502555 in words is "twenty-seven trillion, seven hundred eighty billion, fifty million, five hundred two thousand, five hundred fifty-five".