26510538056 has 8 divisors (see below), whose sum is σ = 49707258870. Its totient is φ = 13255269024.

The previous prime is 26510538053. The next prime is 26510538107. The reversal of 26510538056 is 65083501562.

It can be written as a sum of positive squares in only one way, i.e., 22310201956 + 4200336100 = 149366^2 + 64810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (26510538053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656908621 + ... + 1656908636.

Almost surely, 2^26510538056 is an apocalyptic number.

It is an amenable number.

26510538056 is a deficient number, since it is larger than the sum of its proper divisors (23196720814).

26510538056 is a wasteful number, since it uses less digits than its factorization.

26510538056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313817263 (or 3313817259 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 26510538056 in words is "twenty-six billion, five hundred ten million, five hundred thirty-eight thousand, fifty-six".