104281261511 has 4 divisors (see below), whose sum is σ = 119178584592. Its totient is φ = 89383938432.

The previous prime is 104281261507. The next prime is 104281261519. The reversal of 104281261511 is 115162182401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115162182401 = 7 ⋅16451740343.

It is a cyclic number.

It is not a de Polignac number, because 104281261511 - 2² = 104281261507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104281261519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7448661530 + ... + 7448661543.

It is an arithmetic number, because the mean of its divisors is an integer number (29794646148).

Almost surely, 2^104281261511 is an apocalyptic number.

104281261511 is a deficient number, since it is larger than the sum of its proper divisors (14897323081).

104281261511 is an equidigital number, since it uses as much as digits as its factorization.

104281261511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14897323080.

The product of its (nonzero) digits is 3840, while the sum is 32.

The spelling of 104281261511 in words is "one hundred four billion, two hundred eighty-one million, two hundred sixty-one thousand, five hundred eleven".