26525414980091 has 4 divisors (see below), whose sum is σ = 26525451297000. Its totient is φ = 26525378663184.

The previous prime is 26525414980087. The next prime is 26525414980133. The reversal of 26525414980091 is 19008941452562.

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

It is a cyclic number.

It is not a de Polignac number, because 26525414980091 - 2² = 26525414980087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26525414980081) 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, 17039906 + ... + 18531303.

It is an arithmetic number, because the mean of its divisors is an integer number (6631362824250).

Almost surely, 2^{26525414980091} is an apocalyptic number.

26525414980091 is a deficient number, since it is larger than the sum of its proper divisors (36316909).

26525414980091 is an equidigital number, since it uses as much as digits as its factorization.

26525414980091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36316908.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 26525414980091 in words is "twenty-six trillion, five hundred twenty-five billion, four hundred fourteen million, nine hundred eighty thousand, ninety-one".