26033791551 has 32 divisors (see below), whose sum is σ = 37373753088. Its totient is φ = 16060239360.

The previous prime is 26033791549. The next prime is 26033791571. The reversal of 26033791551 is 15519733062.

It is not a de Polignac number, because 26033791551 - 2¹ = 26033791549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26033791571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1841556 + ... + 1855638.

It is an arithmetic number, because the mean of its divisors is an integer number (1167929784).

Almost surely, 2^26033791551 is an apocalyptic number.

26033791551 is a deficient number, since it is larger than the sum of its proper divisors (11339961537).

26033791551 is a wasteful number, since it uses less digits than its factorization.

26033791551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14711.

The product of its (nonzero) digits is 170100, while the sum is 42.

The spelling of 26033791551 in words is "twenty-six billion, thirty-three million, seven hundred ninety-one thousand, five hundred fifty-one".