11900030326 has 12 divisors (see below), whose sum is σ = 18444430836. Its totient is φ = 5758078260.

The previous prime is 11900030299. The next prime is 11900030327. The reversal of 11900030326 is 62303000911.

It is a super-2 number, since 2×11900030326² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11900030326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11900030327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3093820 + ... + 3097663.

It is an arithmetic number, because the mean of its divisors is an integer number (1537035903).

Almost surely, 2^11900030326 is an apocalyptic number.

11900030326 is a deficient number, since it is larger than the sum of its proper divisors (6544400510).

11900030326 is an equidigital number, since it uses as much as digits as its factorization.

11900030326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191547 (or 6191516 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 11900030326 in words is "eleven billion, nine hundred million, thirty thousand, three hundred twenty-six".