911113443412 has 24 divisors (see below), whose sum is σ = 1689645462120. Its totient is φ = 428402227200.

The previous prime is 911113443407. The next prime is 911113443421. The reversal of 911113443412 is 214344311119.

It can be written as a sum of positive squares in 4 ways, for example, as 11108316816 + 900005126596 = 105396^2 + 948686^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5496487 + ... + 5659822.

It is an arithmetic number, because the mean of its divisors is an integer number (70401894255).

Almost surely, 2^911113443412 is an apocalyptic number.

It is an amenable number.

911113443412 is a deficient number, since it is larger than the sum of its proper divisors (778532018708).

911113443412 is a wasteful number, since it uses less digits than its factorization.

911113443412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157531 (or 11157529 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The spelling of 911113443412 in words is "nine hundred eleven billion, one hundred thirteen million, four hundred forty-three thousand, four hundred twelve".