11403421442 has 32 divisors (see below), whose sum is σ = 19779507072. Its totient is φ = 4829739264.

The previous prime is 11403421439. The next prime is 11403421511. The reversal of 11403421442 is 24412430411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538568 + ... + 559340.

It is an arithmetic number, because the mean of its divisors is an integer number (618109596).

Almost surely, 2^11403421442 is an apocalyptic number.

11403421442 is a deficient number, since it is larger than the sum of its proper divisors (8376085630).

11403421442 is a wasteful number, since it uses less digits than its factorization.

11403421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21242.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 11403421442 its reverse (24412430411), we get a palindrome (35815851853).

The spelling of 11403421442 in words is "eleven billion, four hundred three million, four hundred twenty-one thousand, four hundred forty-two".