111690115848 has 24 divisors (see below), whose sum is σ = 302494063950. Its totient is φ = 37230038592.

The previous prime is 111690115813. The next prime is 111690115861. The reversal of 111690115848 is 848511096111.

It is a happy number.

111690115848 is a `hidden beast` number, since 1 + 1 + 1 + 69 + 0 + 1 + 1 + 584 + 8 = 666.

111690115848 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 only one way, i.e., 96645130884 + 15044984964 = 310878^2 + 122658^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 775625733 + ... + 775625876.

Almost surely, 2^111690115848 is an apocalyptic number.

111690115848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

111690115848 is an abundant number, since it is smaller than the sum of its proper divisors (190803948102).

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

111690115848 is a wasteful number, since it uses less digits than its factorization.

111690115848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551251621 (or 1551251614 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 45.

The spelling of 111690115848 in words is "one hundred eleven billion, six hundred ninety million, one hundred fifteen thousand, eight hundred forty-eight".