11813800490 has 16 divisors (see below), whose sum is σ = 21275451360. Its totient is φ = 4723162320.

The previous prime is 11813800489. The next prime is 11813800511. The reversal of 11813800490 is 9400831811.

It is a self number, because there is not a number n which added to its sum of digits gives 11813800490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273620 + ... + 313839.

It is an arithmetic number, because the mean of its divisors is an integer number (1329715710).

Almost surely, 2^11813800490 is an apocalyptic number.

11813800490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11813800490 is a deficient number, since it is larger than the sum of its proper divisors (9461650870).

11813800490 is a wasteful number, since it uses less digits than its factorization.

11813800490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589477.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 11813800490 in words is "eleven billion, eight hundred thirteen million, eight hundred thousand, four hundred ninety".