26120091098 has 4 divisors (see below), whose sum is σ = 39180136650. Its totient is φ = 13060045548.

The previous prime is 26120091089. The next prime is 26120091121. The reversal of 26120091098 is 89019002162.

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., 21876480649 + 4243610449 = 147907^2 + 65143^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530022773 + ... + 6530022776.

Almost surely, 2^26120091098 is an apocalyptic number.

26120091098 is a deficient number, since it is larger than the sum of its proper divisors (13060045552).

26120091098 is a wasteful number, since it uses less digits than its factorization.

26120091098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060045551.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 26120091098 in words is "twenty-six billion, one hundred twenty million, ninety-one thousand, ninety-eight".