11421342142 has 16 divisors (see below), whose sum is σ = 19581780960. Its totient is φ = 4894276608.

The previous prime is 11421342103. The next prime is 11421342221. The reversal of 11421342142 is 24124312411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85534 + ... + 173662.

It is an arithmetic number, because the mean of its divisors is an integer number (1223861310).

Almost surely, 2^11421342142 is an apocalyptic number.

11421342142 is a deficient number, since it is larger than the sum of its proper divisors (8160438818).

11421342142 is an equidigital number, since it uses as much as digits as its factorization.

11421342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97395.

The product of its digits is 1536, while the sum is 25.

Adding to 11421342142 its reverse (24124312411), we get a palindrome (35545654553).

The spelling of 11421342142 in words is "eleven billion, four hundred twenty-one million, three hundred forty-two thousand, one hundred forty-two".