11803431802 has 16 divisors (see below), whose sum is σ = 18413901792. Its totient is φ = 5669964720.

The previous prime is 11803431799. The next prime is 11803431841. The reversal of 11803431802 is 20813430811.

It is a super-3 number, since 3×11803431802³ (a number of 31 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1119748 + ... + 1130239.

It is an arithmetic number, because the mean of its divisors is an integer number (1150868862).

Almost surely, 2^11803431802 is an apocalyptic number.

11803431802 is a deficient number, since it is larger than the sum of its proper divisors (6610469990).

11803431802 is a wasteful number, since it uses less digits than its factorization.

11803431802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250093.

The product of its (nonzero) digits is 4608, while the sum is 31.

Subtracting 11803431802 from its reverse (20813430811), we obtain a palindrome (9009999009).

The spelling of 11803431802 in words is "eleven billion, eight hundred three million, four hundred thirty-one thousand, eight hundred two".