281106550656139 has 8 divisors (see below), whose sum is σ = 318663296290640. Its totient is φ = 245825971423776.

The previous prime is 281106550656091. The next prime is 281106550656193. The reversal of 281106550656139 is 931656055601182.

281106550656139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 281106550656139 - 2²⁷ = 281106416438411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281106550656539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569041600272 + ... + 569041600765.

It is an arithmetic number, because the mean of its divisors is an integer number (39832912036330).

Almost surely, 2^{281106550656139} is an apocalyptic number.

281106550656139 is a deficient number, since it is larger than the sum of its proper divisors (37556745634501).

281106550656139 is a wasteful number, since it uses less digits than its factorization.

281106550656139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138083201069.

The product of its (nonzero) digits is 11664000, while the sum is 58.

The spelling of 281106550656139 in words is "two hundred eighty-one trillion, one hundred six billion, five hundred fifty million, six hundred fifty-six thousand, one hundred thirty-nine".