27556043745 has 32 divisors (see below), whose sum is σ = 46290798720. Its totient is φ = 13977976320.

The previous prime is 27556043717. The next prime is 27556043773. The reversal of 27556043745 is 54734065572.

It is an interprime number because it is at equal distance from previous prime (27556043717) and next prime (27556043773).

It is not a de Polignac number, because 27556043745 - 2⁷ = 27556043617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27556043694 and 27556043703.

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, 443596 + ... + 501885.

It is an arithmetic number, because the mean of its divisors is an integer number (1446587460).

Almost surely, 2^27556043745 is an apocalyptic number.

It is an amenable number.

27556043745 is a deficient number, since it is larger than the sum of its proper divisors (18734754975).

27556043745 is a wasteful number, since it uses less digits than its factorization.

27556043745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945585.

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 27556043745 in words is "twenty-seven billion, five hundred fifty-six million, forty-three thousand, seven hundred forty-five".