26640311151 has 16 divisors (see below), whose sum is σ = 37124085600. Its totient is φ = 16970999808.

The previous prime is 26640311129. The next prime is 26640311153. The reversal of 26640311151 is 15111304662.

It is a happy number.

It is not a de Polignac number, because 26640311151 - 2⁵ = 26640311119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26640311153) 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, 1569966 + ... + 1586843.

It is an arithmetic number, because the mean of its divisors is an integer number (2320255350).

Almost surely, 2^26640311151 is an apocalyptic number.

26640311151 is a deficient number, since it is larger than the sum of its proper divisors (10483774449).

26640311151 is a wasteful number, since it uses less digits than its factorization.

26640311151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156938.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 26640311151 in words is "twenty-six billion, six hundred forty million, three hundred eleven thousand, one hundred fifty-one".