27550028011 has 32 divisors (see below), whose sum is σ = 32892549120. Its totient is φ = 22781606400.

The previous prime is 27550027957. The next prime is 27550028027. The reversal of 27550028011 is 11082005572.

It is a cyclic number.

It is not a de Polignac number, because 27550028011 - 2¹¹ = 27550025963 is a prime.

It is a super-2 number, since 2×27550028011² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27550028071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5081260 + ... + 5086678.

It is an arithmetic number, because the mean of its divisors is an integer number (1027892160).

Almost surely, 2^27550028011 is an apocalyptic number.

27550028011 is a deficient number, since it is larger than the sum of its proper divisors (5342521109).

27550028011 is a wasteful number, since it uses less digits than its factorization.

27550028011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355.

The product of its (nonzero) digits is 5600, while the sum is 31.

The spelling of 27550028011 in words is "twenty-seven billion, five hundred fifty million, twenty-eight thousand, eleven".