17421507011 has 2 divisors, whose sum is σ = 17421507012. Its totient is φ = 17421507010.

The previous prime is 17421507001. The next prime is 17421507101. The reversal of 17421507011 is 11070512471.

Together with next prime (17421507101) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17421507011 - 2³⁴ = 241637827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (17421507001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8710753505 + 8710753506.

It is an arithmetic number, because the mean of its divisors is an integer number (8710753506).

Almost surely, 2^17421507011 is an apocalyptic number.

17421507011 is a deficient number, since it is larger than the sum of its proper divisors (1).

17421507011 is an equidigital number, since it uses as much as digits as its factorization.

17421507011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 29.

The spelling of 17421507011 in words is "seventeen billion, four hundred twenty-one million, five hundred seven thousand, eleven".