26240643151 has 4 divisors (see below), whose sum is σ = 26416755000. Its totient is φ = 26064531304.

The previous prime is 26240643119. The next prime is 26240643161. The reversal of 26240643151 is 15134604262.

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 26240643151 - 2⁵ = 26240643119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26240643161) 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, 88055701 + ... + 88055998.

It is an arithmetic number, because the mean of its divisors is an integer number (6604188750).

Almost surely, 2^26240643151 is an apocalyptic number.

26240643151 is a deficient number, since it is larger than the sum of its proper divisors (176111849).

26240643151 is a wasteful number, since it uses less digits than its factorization.

26240643151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176111848.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 26240643151 in words is "twenty-six billion, two hundred forty million, six hundred forty-three thousand, one hundred fifty-one".