45216846257781 has 16 divisors (see below), whose sum is σ = 65770336554048. Its totient is φ = 27403991596800.

The previous prime is 45216846257753. The next prime is 45216846257851. The reversal of 45216846257781 is 18775264861254.

It is not a de Polignac number, because 45216846257781 - 2⁶ = 45216846257717 is a prime.

It is a super-2 number, since 2×45216846257781² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216846257711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016415 + ... + 9721091.

It is an arithmetic number, because the mean of its divisors is an integer number (4110646034628).

Almost surely, 2^{45216846257781} is an apocalyptic number.

It is an amenable number.

45216846257781 is a deficient number, since it is larger than the sum of its proper divisors (20553490296267).

45216846257781 is a wasteful number, since it uses less digits than its factorization.

45216846257781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882532.

The product of its digits is 180633600, while the sum is 66.

The spelling of 45216846257781 in words is "forty-five trillion, two hundred sixteen billion, eight hundred forty-six million, two hundred fifty-seven thousand, seven hundred eighty-one".