26045742215 has 8 divisors (see below), whose sum is σ = 31261983648. Its totient is φ = 20831865120.

The previous prime is 26045742193. The next prime is 26045742227. The reversal of 26045742215 is 51224754062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26045742215 - 2¹² = 26045738119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566756 + ... + 610985.

It is an arithmetic number, because the mean of its divisors is an integer number (3907747956).

Almost surely, 2^26045742215 is an apocalyptic number.

26045742215 is a deficient number, since it is larger than the sum of its proper divisors (5216241433).

26045742215 is a wasteful number, since it uses less digits than its factorization.

26045742215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182169.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 26045742215 in words is "twenty-six billion, forty-five million, seven hundred forty-two thousand, two hundred fifteen".