21711260092 has 6 divisors (see below), whose sum is σ = 37994705168. Its totient is φ = 10855630044.

The previous prime is 21711260057. The next prime is 21711260093. The reversal of 21711260092 is 29006211712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21711260093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713907508 + ... + 2713907515.

Almost surely, 2^21711260092 is an apocalyptic number.

It is an amenable number.

21711260092 is a deficient number, since it is larger than the sum of its proper divisors (16283445076).

21711260092 is a wasteful number, since it uses less digits than its factorization.

21711260092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427815027 (or 5427815025 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 21711260092 in words is "twenty-one billion, seven hundred eleven million, two hundred sixty thousand, ninety-two".