26130110042 has 4 divisors (see below), whose sum is σ = 39195165066. Its totient is φ = 13065055020.

The previous prime is 26130110029. The next prime is 26130110053. The reversal of 26130110042 is 24001103162.

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

It can be written as a sum of positive squares in only one way, i.e., 19047036121 + 7083073921 = 138011^2 + 84161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26130109996 and 26130110023.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6532527509 + ... + 6532527512.

Almost surely, 2^26130110042 is an apocalyptic number.

26130110042 is a deficient number, since it is larger than the sum of its proper divisors (13065055024).

26130110042 is a wasteful number, since it uses less digits than its factorization.

26130110042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13065055023.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 26130110042 in words is "twenty-six billion, one hundred thirty million, one hundred ten thousand, forty-two".