45505220511 has 16 divisors (see below), whose sum is σ = 61027292160. Its totient is φ = 30160063680.

The previous prime is 45505220503. The next prime is 45505220531. The reversal of 45505220511 is 11502250554.

It is not a de Polignac number, because 45505220511 - 2³ = 45505220503 is a prime.

It is a super-2 number, since 2×45505220511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45505220531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3102451 + ... + 3117083.

It is an arithmetic number, because the mean of its divisors is an integer number (3814205760).

Almost surely, 2^45505220511 is an apocalyptic number.

45505220511 is a deficient number, since it is larger than the sum of its proper divisors (15522071649).

45505220511 is a wasteful number, since it uses less digits than its factorization.

45505220511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20606.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 45505220511 in words is "forty-five billion, five hundred five million, two hundred twenty thousand, five hundred eleven".