26475908508725 has 18 divisors (see below), whose sum is σ = 35549782010406. Its totient is φ = 19551440126400.

The previous prime is 26475908508697. The next prime is 26475908508757. The reversal of 26475908508725 is 52780580957462.

It can be written as a sum of positive squares in 9 ways, for example, as 12901149361489 + 13574759147236 = 3591817^2 + 3684394^2 .

It is not a de Polignac number, because 26475908508725 - 2¹⁰ = 26475908507701 is a prime.

It is a super-2 number, since 2×26475908508725² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3133239386 + ... + 3133247835.

It is an arithmetic number, because the mean of its divisors is an integer number (1974987889467).

Almost surely, 2^{26475908508725} is an apocalyptic number.

26475908508725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26475908508725 is a deficient number, since it is larger than the sum of its proper divisors (9073873501681).

26475908508725 is a wasteful number, since it uses less digits than its factorization.

26475908508725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266487257 (or 6266487239 counting only the distinct ones).

The product of its (nonzero) digits is 338688000, while the sum is 68.

The spelling of 26475908508725 in words is "twenty-six trillion, four hundred seventy-five billion, nine hundred eight million, five hundred eight thousand, seven hundred twenty-five".