11320506142 has 24 divisors (see below), whose sum is σ = 19762738128. Its totient is φ = 4842995520.

The previous prime is 11320506133. The next prime is 11320506143. The reversal of 11320506142 is 24160502311.

It is a happy number.

It is a super-2 number, since 2×11320506142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320506143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1371738 + ... + 1379965.

It is an arithmetic number, because the mean of its divisors is an integer number (823447422).

Almost surely, 2^11320506142 is an apocalyptic number.

11320506142 is a deficient number, since it is larger than the sum of its proper divisors (8442231986).

11320506142 is a wasteful number, since it uses less digits than its factorization.

11320506142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751744 (or 2751733 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 11320506142 in words is "eleven billion, three hundred twenty million, five hundred six thousand, one hundred forty-two".