99426256911 has 12 divisors (see below), whose sum is σ = 143621242440. Its totient is φ = 66281615280.

The previous prime is 99426256799. The next prime is 99426256913. The reversal of 99426256911 is 11965262499.

99426256911 is a `hidden beast` number, since 9 + 9 + 4 + 2 + 62 + 569 + 11 = 666.

It is not a de Polignac number, because 99426256911 - 2¹⁴ = 99426240527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99426256913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50521 + ... + 448781.

It is an arithmetic number, because the mean of its divisors is an integer number (11968436870).

Almost surely, 2^99426256911 is an apocalyptic number.

99426256911 is a deficient number, since it is larger than the sum of its proper divisors (44194985529).

99426256911 is a wasteful number, since it uses less digits than its factorization.

99426256911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426006 (or 426003 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The spelling of 99426256911 in words is "ninety-nine billion, four hundred twenty-six million, two hundred fifty-six thousand, nine hundred eleven".