26053148705 has 8 divisors (see below), whose sum is σ = 31270844904. Its totient is φ = 20837808000.

The previous prime is 26053148699. The next prime is 26053148729. The reversal of 26053148705 is 50784135062.

It can be written as a sum of positive squares in 4 ways, for example, as 4044832801 + 22008315904 = 63599^2 + 148352^2 .

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

It is not a de Polignac number, because 26053148705 - 2⁸ = 26053148449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564446 + ... + 608855.

It is an arithmetic number, because the mean of its divisors is an integer number (3908855613).

Almost surely, 2^26053148705 is an apocalyptic number.

It is an amenable number.

26053148705 is a deficient number, since it is larger than the sum of its proper divisors (5217696199).

26053148705 is a wasteful number, since it uses less digits than its factorization.

26053148705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177747.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 26053148705 in words is "twenty-six billion, fifty-three million, one hundred forty-eight thousand, seven hundred five".