10855202090 has 16 divisors (see below), whose sum is σ = 19718625960. Its totient is φ = 4302244800.

The previous prime is 10855202087. The next prime is 10855202093. The reversal of 10855202090 is 9020255801.

It is an interprime number because it is at equal distance from previous prime (10855202087) and next prime (10855202093).

It can be written as a sum of positive squares in 4 ways, for example, as 7666228249 + 3188973841 = 87557^2 + 56471^2 .

It is not an unprimeable number, because it can be changed into a prime (10855202093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4978361 + ... + 4980540.

Almost surely, 2^10855202090 is an apocalyptic number.

10855202090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10855202090 is a deficient number, since it is larger than the sum of its proper divisors (8863423870).

10855202090 is a wasteful number, since it uses less digits than its factorization.

10855202090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959017.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 10855202090 its reverse (9020255801), we get a palindrome (19875457891).

The spelling of 10855202090 in words is "ten billion, eight hundred fifty-five million, two hundred two thousand, ninety".