26011930959 has 12 divisors (see below), whose sum is σ = 42940330576. Its totient is φ = 14863960512.

The previous prime is 26011930949. The next prime is 26011930963. The reversal of 26011930959 is 95903911062.

It is a happy number.

26011930959 is a `hidden beast` number, since 2 + 601 + 1 + 9 + 30 + 9 + 5 + 9 = 666.

It is not a de Polignac number, because 26011930959 - 2⁹ = 26011930447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26011930949) 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, 206443834 + ... + 206443959.

Almost surely, 2^26011930959 is an apocalyptic number.

26011930959 is a deficient number, since it is larger than the sum of its proper divisors (16928399617).

26011930959 is a wasteful number, since it uses less digits than its factorization.

26011930959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412887806 (or 412887803 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 26011930959 in words is "twenty-six billion, eleven million, nine hundred thirty thousand, nine hundred fifty-nine".