11321401042 has 16 divisors (see below), whose sum is σ = 19474362432. Its totient is φ = 4835467440.

The previous prime is 11321400997. The next prime is 11321401043. The reversal of 11321401042 is 24010412311.

It is a super-3 number, since 3×11321401042³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321401043) by changing a digit.

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, 1375884 + ... + 1384087.

It is an arithmetic number, because the mean of its divisors is an integer number (1217147652).

Almost surely, 2^11321401042 is an apocalyptic number.

11321401042 is a deficient number, since it is larger than the sum of its proper divisors (8152961390).

11321401042 is a wasteful number, since it uses less digits than its factorization.

11321401042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760273.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11321401042 its reverse (24010412311), we get a palindrome (35331813353).

The spelling of 11321401042 in words is "eleven billion, three hundred twenty-one million, four hundred one thousand, forty-two".