26545456201 has 4 divisors (see below), whose sum is σ = 28958679504. Its totient is φ = 24132232900.

The previous prime is 26545456177. The next prime is 26545456261. The reversal of 26545456201 is 10265454562.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 26545456201 - 2⁵ = 26545456169 is a prime.

It is a super-2 number, since 2×26545456201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26545456261) 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, 1206611635 + ... + 1206611656.

It is an arithmetic number, because the mean of its divisors is an integer number (7239669876).

Almost surely, 2^26545456201 is an apocalyptic number.

It is an amenable number.

26545456201 is a deficient number, since it is larger than the sum of its proper divisors (2413223303).

26545456201 is a wasteful number, since it uses less digits than its factorization.

26545456201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413223302.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 26545456201 in words is "twenty-six billion, five hundred forty-five million, four hundred fifty-six thousand, two hundred one".