11447152142 has 4 divisors (see below), whose sum is σ = 17170728216. Its totient is φ = 5723576070.

The previous prime is 11447152121. The next prime is 11447152259. The reversal of 11447152142 is 24125174411.

11447152142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24125174411 = 13 ⋅1855782647.

It is a junction number, because it is equal to n+sod(n) for n = 11447152099 and 11447152108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2861788034 + ... + 2861788037.

It is an arithmetic number, because the mean of its divisors is an integer number (4292682054).

Almost surely, 2^11447152142 is an apocalyptic number.

11447152142 is a deficient number, since it is larger than the sum of its proper divisors (5723576074).

11447152142 is an equidigital number, since it uses as much as digits as its factorization.

11447152142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723576073.

The product of its digits is 8960, while the sum is 32.

The spelling of 11447152142 in words is "eleven billion, four hundred forty-seven million, one hundred fifty-two thousand, one hundred forty-two".