111257601545225 has 48 divisors (see below), whose sum is σ = 141776295587520. Its totient is φ = 86546602656000.

The previous prime is 111257601545213. The next prime is 111257601545257. The reversal of 111257601545225 is 522545106752111.

It is a de Polignac number, because none of the positive numbers 2^k-111257601545225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111257601545225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17441226086 + ... + 17441232464.

It is an arithmetic number, because the mean of its divisors is an integer number (2953672824740).

Almost surely, 2^{111257601545225} is an apocalyptic number.

It is an amenable number.

111257601545225 is a deficient number, since it is larger than the sum of its proper divisors (30518694042295).

111257601545225 is a wasteful number, since it uses less digits than its factorization.

111257601545225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210 (or 15205 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 47.

The spelling of 111257601545225 in words is "one hundred eleven trillion, two hundred fifty-seven billion, six hundred one million, five hundred forty-five thousand, two hundred twenty-five".