111925646920 has 32 divisors (see below), whose sum is σ = 255282475320. Its totient is φ = 44156966400.

The previous prime is 111925646897. The next prime is 111925646923. The reversal of 111925646920 is 29646529111.

111925646920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 105062849956 + 6862796964 = 324134^2 + 82842^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (111925646923) by changing a digit.

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, 19162431 + ... + 19168270.

Almost surely, 2^111925646920 is an apocalyptic number.

111925646920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111925646920 is an abundant number, since it is smaller than the sum of its proper divisors (143356828400).

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

111925646920 is a wasteful number, since it uses less digits than its factorization.

111925646920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38330785 (or 38330781 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 111925646920 in words is "one hundred eleven billion, nine hundred twenty-five million, six hundred forty-six thousand, nine hundred twenty".