26252752515139 has 4 divisors (see below), whose sum is σ = 26258370485256. Its totient is φ = 26247134545024.

The previous prime is 26252752514959. The next prime is 26252752515167. The reversal of 26252752515139 is 93151525725262.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26252752515139 - 2⁹ = 26252752514627 is a prime.

It is a super-2 number, since 2×26252752515139² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26252752515139.

It is not an unprimeable number, because it can be changed into a prime (26252752515239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808978049 + ... + 2808987394.

It is an arithmetic number, because the mean of its divisors is an integer number (6564592621314).

Almost surely, 2^{26252752515139} is an apocalyptic number.

26252752515139 is a deficient number, since it is larger than the sum of its proper divisors (5617970117).

26252752515139 is an equidigital number, since it uses as much as digits as its factorization.

26252752515139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617970116.

The product of its digits is 11340000, while the sum is 55.

The spelling of 26252752515139 in words is "twenty-six trillion, two hundred fifty-two billion, seven hundred fifty-two million, five hundred fifteen thousand, one hundred thirty-nine".