11547104142 has 16 divisors (see below), whose sum is σ = 26393380992. Its totient is φ = 3299172600.

The previous prime is 11547104113. The next prime is 11547104197. The reversal of 11547104142 is 24140174511.

It is a happy number.

It is a super-2 number, since 2×11547104142² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 137465484 + ... + 137465567.

It is an arithmetic number, because the mean of its divisors is an integer number (1649586312).

Almost surely, 2^11547104142 is an apocalyptic number.

11547104142 is an abundant number, since it is smaller than the sum of its proper divisors (14846276850).

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

11547104142 is a wasteful number, since it uses less digits than its factorization.

11547104142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274931063.

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 11547104142 its reverse (24140174511), we get a palindrome (35687278653).

The spelling of 11547104142 in words is "eleven billion, five hundred forty-seven million, one hundred four thousand, one hundred forty-two".