112642421553511 has 4 divisors (see below), whose sum is σ = 112645479783312. Its totient is φ = 112639363323712.

The previous prime is 112642421553479. The next prime is 112642421553593. The reversal of 112642421553511 is 115355124246211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112642421553511 - 2⁵ = 112642421553479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112642421503511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529059651 + ... + 1529133316.

It is an arithmetic number, because the mean of its divisors is an integer number (28161369945828).

Almost surely, 2^{112642421553511} is an apocalyptic number.

112642421553511 is a deficient number, since it is larger than the sum of its proper divisors (3058229801).

112642421553511 is an equidigital number, since it uses as much as digits as its factorization.

112642421553511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058229800.

The product of its digits is 288000, while the sum is 43.

Adding to 112642421553511 its reverse (115355124246211), we get a palindrome (227997545799722).

The spelling of 112642421553511 in words is "one hundred twelve trillion, six hundred forty-two billion, four hundred twenty-one million, five hundred fifty-three thousand, five hundred eleven".