1853755405252 has 12 divisors (see below), whose sum is σ = 3244330148220. Its totient is φ = 926803934336.

The previous prime is 1853755405181. The next prime is 1853755405261. The reversal of 1853755405252 is 2525045573581.

It can be written as a sum of positive squares in 2 ways, for example, as 1675429939456 + 178325465796 = 1294384^2 + 422286^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1853755405252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18385513 + ... + 18486064.

It is an arithmetic number, because the mean of its divisors is an integer number (270360845685).

Almost surely, 2^{1853755405252} is an apocalyptic number.

It is an amenable number.

1853755405252 is a deficient number, since it is larger than the sum of its proper divisors (1390574742968).

1853755405252 is a wasteful number, since it uses less digits than its factorization.

1853755405252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36884150 (or 36884148 counting only the distinct ones).

The product of its (nonzero) digits is 8400000, while the sum is 52.

The spelling of 1853755405252 in words is "one trillion, eight hundred fifty-three billion, seven hundred fifty-five million, four hundred five thousand, two hundred fifty-two".