45216566512 has 30 divisors (see below), whose sum is σ = 94864495992. Its totient is φ = 20869183296.

The previous prime is 45216566503. The next prime is 45216566519. The reversal of 45216566512 is 21566561254.

It is a super-2 number, since 2×45216566512² (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 (45216566519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8358348 + ... + 8363755.

Almost surely, 2^45216566512 is an apocalyptic number.

It is an amenable number.

45216566512 is an abundant number, since it is smaller than the sum of its proper divisors (49647929480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45216566512 is a wasteful number, since it uses less digits than its factorization.

45216566512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722137 (or 16722118 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 45216566512 in words is "forty-five billion, two hundred sixteen million, five hundred sixty-six thousand, five hundred twelve".