111491432956 has 12 divisors (see below), whose sum is σ = 199261284768. Its totient is φ = 54559637312.

The previous prime is 111491432951. The next prime is 111491432977. The reversal of 111491432956 is 659234194111.

111491432956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111491432951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296519581 + ... + 296519956.

It is an arithmetic number, because the mean of its divisors is an integer number (16605107064).

Almost surely, 2^111491432956 is an apocalyptic number.

It is an amenable number.

111491432956 is a deficient number, since it is larger than the sum of its proper divisors (87769851812).

111491432956 is a wasteful number, since it uses less digits than its factorization.

111491432956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593039588 (or 593039586 counting only the distinct ones).

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

The spelling of 111491432956 in words is "one hundred eleven billion, four hundred ninety-one million, four hundred thirty-two thousand, nine hundred fifty-six".