10803156 has 72 divisors (see below), whose sum is σ = 31235904. Its totient is φ = 2845440.

The previous prime is 10803137. The next prime is 10803193. The reversal of 10803156 is 65130801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13816 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (433832).

Almost surely, 2^10803156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10803156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15617952).

10803156 is an abundant number, since it is smaller than the sum of its proper divisors (20432748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10803156 is a wasteful number, since it uses less digits than its factorization.

10803156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10803156 is about 3286.8154800658. The cubic root of 10803156 is about 221.0634189389.

Adding to 10803156 its reverse (65130801), we get a palindrome (75933957).

The spelling of 10803156 in words is "ten million, eight hundred three thousand, one hundred fifty-six".