21060797048 has 16 divisors (see below), whose sum is σ = 40136355960. Its totient is φ = 10357768800.

The previous prime is 21060797029. The next prime is 21060797059. The reversal of 21060797048 is 84079706012.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21578198 + ... + 21579173.

Almost surely, 2^21060797048 is an apocalyptic number.

It is an amenable number.

21060797048 is a deficient number, since it is larger than the sum of its proper divisors (19075558912).

21060797048 is a wasteful number, since it uses less digits than its factorization.

21060797048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43157438 (or 43157434 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 21060797048 in words is "twenty-one billion, sixty million, seven hundred ninety-seven thousand, forty-eight".