11361142839 has 4 divisors (see below), whose sum is σ = 15148190456. Its totient is φ = 7574095224.

The previous prime is 11361142829. The next prime is 11361142861. The reversal of 11361142839 is 93824116311.

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

It is not a de Polignac number, because 11361142839 - 2⁹ = 11361142327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11361142797 and 11361142806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361142829) 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, 1893523804 + ... + 1893523809.

It is an arithmetic number, because the mean of its divisors is an integer number (3787047614).

Almost surely, 2^11361142839 is an apocalyptic number.

11361142839 is a deficient number, since it is larger than the sum of its proper divisors (3787047617).

11361142839 is an equidigital number, since it uses as much as digits as its factorization.

11361142839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787047616.

The product of its digits is 31104, while the sum is 39.

The spelling of 11361142839 in words is "eleven billion, three hundred sixty-one million, one hundred forty-two thousand, eight hundred thirty-nine".