111793647540 has 24 divisors (see below), whose sum is σ = 313022213280. Its totient is φ = 29811639328.

The previous prime is 111793647509. The next prime is 111793647541. The reversal of 111793647540 is 45746397111.

It is a self number, because there is not a number n which added to its sum of digits gives 111793647540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111793647541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931613670 + ... + 931613789.

It is an arithmetic number, because the mean of its divisors is an integer number (13042592220).

Almost surely, 2^111793647540 is an apocalyptic number.

111793647540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111793647540 is an abundant number, since it is smaller than the sum of its proper divisors (201228565740).

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

111793647540 is a wasteful number, since it uses less digits than its factorization.

111793647540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863227471 (or 1863227469 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 111793647540 in words is "one hundred eleven billion, seven hundred ninety-three million, six hundred forty-seven thousand, five hundred forty".