21507006740011 has 8 divisors (see below), whose sum is σ = 23228139405744. Its totient is φ = 19795409436000.

The previous prime is 21507006739991. The next prime is 21507006740077. The reversal of 21507006740011 is 11004760070512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21507006740011 - 2³⁵ = 21472647001643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21507006740311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383835740 + ... + 2383844761.

It is an arithmetic number, because the mean of its divisors is an integer number (2903517425718).

Almost surely, 2^{21507006740011} is an apocalyptic number.

21507006740011 is a deficient number, since it is larger than the sum of its proper divisors (1721132665733).

21507006740011 is a wasteful number, since it uses less digits than its factorization.

21507006740011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767680861.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 21507006740011 in words is "twenty-one trillion, five hundred seven billion, six million, seven hundred forty thousand, eleven".