27801127256052 has 96 divisors (see below), whose sum is σ = 66754703296512. Its totient is φ = 9000270913536.

The previous prime is 27801127256051. The next prime is 27801127256081. The reversal of 27801127256052 is 25065272110872.

It is a junction number, because it is equal to n+sod(n) for n = 27801127255992 and 27801127256010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27801127256051) 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, 74474373 + ... + 74846739.

It is an arithmetic number, because the mean of its divisors is an integer number (695361492672).

Almost surely, 2^{27801127256052} is an apocalyptic number.

It is an amenable number.

27801127256052 is an abundant number, since it is smaller than the sum of its proper divisors (38953576040460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27801127256052 is a wasteful number, since it uses less digits than its factorization.

27801127256052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373237 (or 373235 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 27801127256052 in words is "twenty-seven trillion, eight hundred one billion, one hundred twenty-seven million, two hundred fifty-six thousand, fifty-two".