111020364640 has 48 divisors (see below), whose sum is σ = 262365611760. Its totient is φ = 44394600960.

The previous prime is 111020364593. The next prime is 111020364661. The reversal of 111020364640 is 46463020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020364599 and 111020364608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428806 + ... + 637114.

It is an arithmetic number, because the mean of its divisors is an integer number (5465950245).

Almost surely, 2^111020364640 is an apocalyptic number.

111020364640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020364640 is an abundant number, since it is smaller than the sum of its proper divisors (151345247120).

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

111020364640 is a wasteful number, since it uses less digits than its factorization.

111020364640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211655 (or 211647 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 111020364640 its reverse (46463020111), we get a palindrome (157483384751).

The spelling of 111020364640 in words is "one hundred eleven billion, twenty million, three hundred sixty-four thousand, six hundred forty".