111465741552 has 80 divisors (see below), whose sum is σ = 314520226560. Its totient is φ = 33735616000.

The previous prime is 111465741551. The next prime is 111465741557. The reversal of 111465741552 is 255147564111.

It is a super-2 number, since 2×111465741552² (a number of 23 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111465741551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296677 + ... + 557627.

It is an arithmetic number, because the mean of its divisors is an integer number (3931502832).

Almost surely, 2^111465741552 is an apocalyptic number.

111465741552 is a gapful number since it is divisible by the number (12) 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 111465741552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157260113280).

111465741552 is an abundant number, since it is smaller than the sum of its proper divisors (203054485008).

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

111465741552 is a wasteful number, since it uses less digits than its factorization.

111465741552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261782 (or 261776 counting only the distinct ones).

The product of its digits is 168000, while the sum is 42.

The spelling of 111465741552 in words is "one hundred eleven billion, four hundred sixty-five million, seven hundred forty-one thousand, five hundred fifty-two".