26542654211 has 4 divisors (see below), whose sum is σ = 26745270024. Its totient is φ = 26340038400.

The previous prime is 26542654207. The next prime is 26542654283. The reversal of 26542654211 is 11245624562.

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 26542654211 - 2² = 26542654207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26542654291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101307710 + ... + 101307971.

It is an arithmetic number, because the mean of its divisors is an integer number (6686317506).

Almost surely, 2^26542654211 is an apocalyptic number.

26542654211 is a deficient number, since it is larger than the sum of its proper divisors (202615813).

26542654211 is a wasteful number, since it uses less digits than its factorization.

26542654211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202615812.

The product of its digits is 115200, while the sum is 38.

The spelling of 26542654211 in words is "twenty-six billion, five hundred forty-two million, six hundred fifty-four thousand, two hundred eleven".