11312132142 has 32 divisors (see below), whose sum is σ = 23183080704. Its totient is φ = 3677630400.

The previous prime is 11312132123. The next prime is 11312132179. The reversal of 11312132142 is 24123121311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331793 + ... + 1340259.

It is an arithmetic number, because the mean of its divisors is an integer number (724471272).

Almost surely, 2^11312132142 is an apocalyptic number.

11312132142 is an abundant number, since it is smaller than the sum of its proper divisors (11870948562).

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

11312132142 is a wasteful number, since it uses less digits than its factorization.

11312132142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13944.

The product of its digits is 288, while the sum is 21.

Adding to 11312132142 its reverse (24123121311), we get a palindrome (35435253453).

The spelling of 11312132142 in words is "eleven billion, three hundred twelve million, one hundred thirty-two thousand, one hundred forty-two".