111646846378153 has 4 divisors (see below), whose sum is σ = 111661347859600. Its totient is φ = 111632344896708.

The previous prime is 111646846378129. The next prime is 111646846378157. The reversal of 111646846378153 is 351873648646111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111646846378153 - 2¹⁷ = 111646846247081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111646846378157) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7250729175 + ... + 7250744572.

It is an arithmetic number, because the mean of its divisors is an integer number (27915336964900).

Almost surely, 2^{111646846378153} is an apocalyptic number.

It is an amenable number.

111646846378153 is a deficient number, since it is larger than the sum of its proper divisors (14501481447).

111646846378153 is an equidigital number, since it uses as much as digits as its factorization.

111646846378153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14501481446.

The product of its digits is 69672960, while the sum is 64.

The spelling of 111646846378153 in words is "one hundred eleven trillion, six hundred forty-six billion, eight hundred forty-six million, three hundred seventy-eight thousand, one hundred fifty-three".