111152212416 has 168 divisors, whose sum is σ = 377597700480. Its totient is φ = 31757743872.

The previous prime is 111152212399. The next prime is 111152212421. The reversal of 111152212416 is 614212251111.

111152212416 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 522 + 124 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 111152212416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401646 + ... + 619373.

It is an arithmetic number, because the mean of its divisors is an integer number (2247605360).

Almost surely, 2^111152212416 is an apocalyptic number.

111152212416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111152212416 is an abundant number, since it is smaller than the sum of its proper divisors (266445488064).

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

111152212416 is an equidigital number, since it uses as much as digits as its factorization.

111152212416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021053 (or 1021031 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

Adding to 111152212416 its reverse (614212251111), we get a palindrome (725364463527).

The spelling of 111152212416 in words is "one hundred eleven billion, one hundred fifty-two million, two hundred twelve thousand, four hundred sixteen".