111465645550 has 96 divisors (see below), whose sum is σ = 245367777600. Its totient is φ = 36860866560.

The previous prime is 111465645547. The next prime is 111465645583. The reversal of 111465645550 is 55546564111.

It is a junction number, because it is equal to n+sod(n) for n = 111465645497 and 111465645506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10845214 + ... + 10855486.

It is an arithmetic number, because the mean of its divisors is an integer number (2555914350).

Almost surely, 2^111465645550 is an apocalyptic number.

111465645550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111465645550 is an abundant number, since it is smaller than the sum of its proper divisors (133902132050).

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

111465645550 is a wasteful number, since it uses less digits than its factorization.

111465645550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390 (or 11385 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 111465645550 in words is "one hundred eleven billion, four hundred sixty-five million, six hundred forty-five thousand, five hundred fifty".