111734245272428 has 24 divisors (see below), whose sum is σ = 208233729480672. Its totient is φ = 52276885915904.

The previous prime is 111734245272317. The next prime is 111734245272449. The reversal of 111734245272428 is 824272542437111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111734245272428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748978600 + ... + 4749002127.

It is an arithmetic number, because the mean of its divisors is an integer number (8676405395028).

Almost surely, 2^{111734245272428} is an apocalyptic number.

It is an amenable number.

111734245272428 is a deficient number, since it is larger than the sum of its proper divisors (96499484208244).

111734245272428 is a wasteful number, since it uses less digits than its factorization.

111734245272428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497980921 (or 9497980919 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 53.

The spelling of 111734245272428 in words is "one hundred eleven trillion, seven hundred thirty-four billion, two hundred forty-five million, two hundred seventy-two thousand, four hundred twenty-eight".