20410045511 has 2 divisors, whose sum is σ = 20410045512. Its totient is φ = 20410045510.

The previous prime is 20410045493. The next prime is 20410045567. The reversal of 20410045511 is 11554001402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20410045511 - 2¹⁸ = 20409783367 is a prime.

It is a super-2 number, since 2×20410045511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20410045211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205022755 + 10205022756.

It is an arithmetic number, because the mean of its divisors is an integer number (10205022756).

Almost surely, 2^20410045511 is an apocalyptic number.

20410045511 is a deficient number, since it is larger than the sum of its proper divisors (1).

20410045511 is an equidigital number, since it uses as much as digits as its factorization.

20410045511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 20410045511 its reverse (11554001402), we get a palindrome (31964046913).

The spelling of 20410045511 in words is "twenty billion, four hundred ten million, forty-five thousand, five hundred eleven".