111315252310245 has 24 divisors (see below), whose sum is σ = 192947318516472. Its totient is φ = 59367863433600.

The previous prime is 111315252310237. The next prime is 111315252310271. The reversal of 111315252310245 is 542013252513111.

111315252310245 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 1 + 52 + 52 + 310 + 245 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1336111745409 + 109979140564836 = 1155903^2 + 10487094^2 .

It is not a de Polignac number, because 111315252310245 - 2³ = 111315252310237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4515255 + ... + 15589035.

It is an arithmetic number, because the mean of its divisors is an integer number (8039471604853).

Almost surely, 2^{111315252310245} is an apocalyptic number.

111315252310245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111315252310245 is a deficient number, since it is larger than the sum of its proper divisors (81632066206227).

111315252310245 is a wasteful number, since it uses less digits than its factorization.

111315252310245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297173 (or 11297170 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 111315252310245 in words is "one hundred eleven trillion, three hundred fifteen billion, two hundred fifty-two million, three hundred ten thousand, two hundred forty-five".