11432421042 has 32 divisors (see below), whose sum is σ = 26306640000. Its totient is φ = 3244482048.

The previous prime is 11432420999. The next prime is 11432421097. The reversal of 11432421042 is 24012423411.

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, 907167 + ... + 919682.

It is an arithmetic number, because the mean of its divisors is an integer number (822082500).

Almost surely, 2^11432421042 is an apocalyptic number.

11432421042 is an abundant number, since it is smaller than the sum of its proper divisors (14874218958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11432421042 is a wasteful number, since it uses less digits than its factorization.

11432421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827010.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11432421042 its reverse (24012423411), we get a palindrome (35444844453).

The spelling of 11432421042 in words is "eleven billion, four hundred thirty-two million, four hundred twenty-one thousand, forty-two".