26126965157 has 8 divisors (see below), whose sum is σ = 27034206840. Its totient is φ = 25220144320.

The previous prime is 26126965133. The next prime is 26126965177. The reversal of 26126965157 is 75156962162.

It can be written as a sum of positive squares in 4 ways, for example, as 544242241 + 25582722916 = 23329^2 + 159946^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26126965157 - 2⁶ = 26126965093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26126965127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23807 + ... + 229827.

It is an arithmetic number, because the mean of its divisors is an integer number (3379275855).

Almost surely, 2^26126965157 is an apocalyptic number.

It is an amenable number.

26126965157 is a deficient number, since it is larger than the sum of its proper divisors (907241683).

26126965157 is a wasteful number, since it uses less digits than its factorization.

26126965157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210423.

The product of its digits is 1360800, while the sum is 50.

The spelling of 26126965157 in words is "twenty-six billion, one hundred twenty-six million, nine hundred sixty-five thousand, one hundred fifty-seven".