111225515025513 has 32 divisors (see below), whose sum is σ = 186163660339200. Its totient is φ = 57594382407936.

The previous prime is 111225515025431. The next prime is 111225515025529. The reversal of 111225515025513 is 315520515522111.

It is not a de Polignac number, because 111225515025513 - 2⁸ = 111225515025257 is a prime.

It is a super-2 number, since 2×111225515025513² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111225515025593) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6060005808 + ... + 6060024161.

It is an arithmetic number, because the mean of its divisors is an integer number (5817614385600).

Almost surely, 2^{111225515025513} is an apocalyptic number.

It is an amenable number.

111225515025513 is a deficient number, since it is larger than the sum of its proper divisors (74938145313687).

111225515025513 is a wasteful number, since it uses less digits than its factorization.

111225515025513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120030021.

The product of its (nonzero) digits is 75000, while the sum is 39.

The spelling of 111225515025513 in words is "one hundred eleven trillion, two hundred twenty-five billion, five hundred fifteen million, twenty-five thousand, five hundred thirteen".