11312404042 has 16 divisors (see below), whose sum is σ = 18316938240. Its totient is φ = 5223718192.

The previous prime is 11312404039. The next prime is 11312404057. The reversal of 11312404042 is 24040421311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4238698 + ... + 4241365.

It is an arithmetic number, because the mean of its divisors is an integer number (1144808640).

Almost surely, 2^11312404042 is an apocalyptic number.

11312404042 is a deficient number, since it is larger than the sum of its proper divisors (7004534198).

11312404042 is a wasteful number, since it uses less digits than its factorization.

11312404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480117.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11312404042 its reverse (24040421311), we get a palindrome (35352825353).

The spelling of 11312404042 in words is "eleven billion, three hundred twelve million, four hundred four thousand, forty-two".