11831996390 has 8 divisors (see below), whose sum is σ = 21297593520. Its totient is φ = 4732798552.

The previous prime is 11831996383. The next prime is 11831996399. The reversal of 11831996390 is 9369913811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11831996390² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11831996399) 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, 591599810 + ... + 591599829.

It is an arithmetic number, because the mean of its divisors is an integer number (2662199190).

Almost surely, 2^11831996390 is an apocalyptic number.

11831996390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11831996390 is a deficient number, since it is larger than the sum of its proper divisors (9465597130).

11831996390 is a wasteful number, since it uses less digits than its factorization.

11831996390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183199646.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 11831996390 in words is "eleven billion, eight hundred thirty-one million, nine hundred ninety-six thousand, three hundred ninety".