1880516854345 has 16 divisors (see below), whose sum is σ = 2278632367440. Its totient is φ = 1489754592000.

The previous prime is 1880516854331. The next prime is 1880516854351. The reversal of 1880516854345 is 5434586150881.

It can be written as a sum of positive squares in 8 ways, for example, as 593499211321 + 1287017643024 = 770389^2 + 1134468^2 .

It is not a de Polignac number, because 1880516854345 - 2¹¹ = 1880516852297 is a prime.

It is a super-2 number, since 2×1880516854345² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1880516854345.

It is an unprimeable number.

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, 42106 + ... + 1939795.

It is an arithmetic number, because the mean of its divisors is an integer number (142414522965).

Almost surely, 2^{1880516854345} is an apocalyptic number.

It is an amenable number.

1880516854345 is a deficient number, since it is larger than the sum of its proper divisors (398115513095).

1880516854345 is a wasteful number, since it uses less digits than its factorization.

1880516854345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983756.

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 1880516854345 in words is "one trillion, eight hundred eighty billion, five hundred sixteen million, eight hundred fifty-four thousand, three hundred forty-five".