11844855142 has 4 divisors (see below), whose sum is σ = 17767282716. Its totient is φ = 5922427570.

The previous prime is 11844855119. The next prime is 11844855181. The reversal of 11844855142 is 24155844811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24155844811 = 7 ⋅3450834973.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2961213784 + ... + 2961213787.

It is an arithmetic number, because the mean of its divisors is an integer number (4441820679).

Almost surely, 2^11844855142 is an apocalyptic number.

11844855142 is a deficient number, since it is larger than the sum of its proper divisors (5922427574).

11844855142 is an equidigital number, since it uses as much as digits as its factorization.

11844855142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922427573.

The product of its digits is 204800, while the sum is 43.

The spelling of 11844855142 in words is "eleven billion, eight hundred forty-four million, eight hundred fifty-five thousand, one hundred forty-two".