26136345512 has 16 divisors (see below), whose sum is σ = 49070395860. Its totient is φ = 13050906624.

The previous prime is 26136345511. The next prime is 26136345523. The reversal of 26136345512 is 21554363162.

It can be written as a sum of positive squares in 2 ways, for example, as 26093233156 + 43112356 = 161534^2 + 6566^2 .

It is not an unprimeable number, because it can be changed into a prime (26136345511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151833 + ... + 2163944.

Almost surely, 2^26136345512 is an apocalyptic number.

It is an amenable number.

26136345512 is a deficient number, since it is larger than the sum of its proper divisors (22934050348).

26136345512 is a wasteful number, since it uses less digits than its factorization.

26136345512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316540 (or 4316536 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The spelling of 26136345512 in words is "twenty-six billion, one hundred thirty-six million, three hundred forty-five thousand, five hundred twelve".