26011149097 has 4 divisors (see below), whose sum is σ = 26011505296. Its totient is φ = 26010792900.

The previous prime is 26011149079. The next prime is 26011149181. The reversal of 26011149097 is 79094111062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26011149097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26011149077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24279 + ... + 229372.

It is an arithmetic number, because the mean of its divisors is an integer number (6502876324).

Almost surely, 2^26011149097 is an apocalyptic number.

It is an amenable number.

26011149097 is a deficient number, since it is larger than the sum of its proper divisors (356199).

26011149097 is a wasteful number, since it uses less digits than its factorization.

26011149097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356198.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 26011149097 in words is "twenty-six billion, eleven million, one hundred forty-nine thousand, ninety-seven".