26138075057 has 16 divisors (see below), whose sum is σ = 28039914240. Its totient is φ = 24316189632.

The previous prime is 26138075017. The next prime is 26138075083. The reversal of 26138075057 is 75057083162.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26138075057 - 2⁶ = 26138074993 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 26138074999 and 26138075017.

It is not an unprimeable number, because it can be changed into a prime (26138075017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7733 + ... + 228770.

It is an arithmetic number, because the mean of its divisors is an integer number (1752494640).

Almost surely, 2^26138075057 is an apocalyptic number.

It is an amenable number.

26138075057 is a deficient number, since it is larger than the sum of its proper divisors (1901839183).

26138075057 is a wasteful number, since it uses less digits than its factorization.

26138075057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236672.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 26138075057 in words is "twenty-six billion, one hundred thirty-eight million, seventy-five thousand, fifty-seven".