26455050291 has 16 divisors (see below), whose sum is σ = 35644667040. Its totient is φ = 17451283200.

The previous prime is 26455050287. The next prime is 26455050337. The reversal of 26455050291 is 19205055462.

It is not a de Polignac number, because 26455050291 - 2² = 26455050287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26455054291) 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 15 ways as a sum of consecutive naturals, for example, 479551 + ... + 531863.

It is an arithmetic number, because the mean of its divisors is an integer number (2227791690).

Almost surely, 2^26455050291 is an apocalyptic number.

26455050291 is a deficient number, since it is larger than the sum of its proper divisors (9189616749).

26455050291 is a wasteful number, since it uses less digits than its factorization.

26455050291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54086.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 26455050291 in words is "twenty-six billion, four hundred fifty-five million, fifty thousand, two hundred ninety-one".