911121696 has 192 divisors, whose sum is σ = 2757404160. Its totient is φ = 296172288.

The previous prime is 911121689. The next prime is 911121703. The reversal of 911121696 is 696121119.

It is an interprime number because it is at equal distance from previous prime (911121689) and next prime (911121703).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 911121696.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3289110 + ... + 3289386.

It is an arithmetic number, because the mean of its divisors is an integer number (14361480).

Almost surely, 2^911121696 is an apocalyptic number.

911121696 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 911121696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378702080).

911121696 is an abundant number, since it is smaller than the sum of its proper divisors (1846282464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

911121696 is an equidigital number, since it uses as much as digits as its factorization.

911121696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 329 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 911121696 is about 30184.7924624305. The cubic root of 911121696 is about 969.4501067180.

The spelling of 911121696 in words is "nine hundred eleven million, one hundred twenty-one thousand, six hundred ninety-six".