26111152242 has 54 divisors (see below), whose sum is σ = 65822858829. Its totient is φ = 7458958080.

The previous prime is 26111152231. The next prime is 26111152259. The reversal of 26111152242 is 24225111162.

It is a happy number.

26111152242 is a `hidden beast` number, since 2 + 611 + 1 + 1 + 5 + 2 + 2 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24680724201 + 1430428041 = 157101^2 + 37821^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=114261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4796242 + ... + 4801682.

Almost surely, 2^26111152242 is an apocalyptic number.

26111152242 is an abundant number, since it is smaller than the sum of its proper divisors (39711706587).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26111152242 is an frugal number, since it uses more digits than its factorization.

26111152242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10904 (or 5453 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The spelling of 26111152242 in words is "twenty-six billion, one hundred eleven million, one hundred fifty-two thousand, two hundred forty-two".