111351948 has 12 divisors (see below), whose sum is σ = 259821240. Its totient is φ = 37117312.

The previous prime is 111351943. The next prime is 111351959. The reversal of 111351948 is 849153111.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (111351943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4639653 + ... + 4639676.

It is an arithmetic number, because the mean of its divisors is an integer number (21651770).

Almost surely, 2^111351948 is an apocalyptic number.

It is an amenable number.

111351948 is an abundant number, since it is smaller than the sum of its proper divisors (148469292).

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

111351948 is a wasteful number, since it uses less digits than its factorization.

111351948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279336 (or 9279334 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 111351948 is about 10552.3432468812. The cubic root of 111351948 is about 481.0969530086.

The spelling of 111351948 in words is "one hundred eleven million, three hundred fifty-one thousand, nine hundred forty-eight".