1885655113 has 4 divisors (see below), whose sum is σ = 1996576020. Its totient is φ = 1774734208.

The previous prime is 1885655099. The next prime is 1885655137. The reversal of 1885655113 is 3115565881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1722914064 + 162741049 = 41508^2 + 12757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1885655113 - 2²¹ = 1883557961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1885655113.

It is not an unprimeable number, because it can be changed into a prime (1885655173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55460428 + ... + 55460461.

It is an arithmetic number, because the mean of its divisors is an integer number (499144005).

Almost surely, 2^1885655113 is an apocalyptic number.

It is an amenable number.

1885655113 is a deficient number, since it is larger than the sum of its proper divisors (110920907).

1885655113 is a wasteful number, since it uses less digits than its factorization.

1885655113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110920906.

The product of its digits is 144000, while the sum is 43.

The square root of 1885655113 is about 43424.1305382157. The cubic root of 1885655113 is about 1235.4374281366.

The spelling of 1885655113 in words is "one billion, eight hundred eighty-five million, six hundred fifty-five thousand, one hundred thirteen".