26140642311 has 16 divisors (see below), whose sum is σ = 41206924800. Its totient is φ = 14422423008.

The previous prime is 26140642291. The next prime is 26140642361. The reversal of 26140642311 is 11324604162.

It is not a de Polignac number, because 26140642311 - 2⁵ = 26140642279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26140642361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21461331 + ... + 21462548.

It is an arithmetic number, because the mean of its divisors is an integer number (2575432800).

Almost surely, 2^26140642311 is an apocalyptic number.

26140642311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26140642311 is a deficient number, since it is larger than the sum of its proper divisors (15066282489).

26140642311 is a wasteful number, since it uses less digits than its factorization.

26140642311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42923918.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 26140642311 in words is "twenty-six billion, one hundred forty million, six hundred forty-two thousand, three hundred eleven".