11125207142 has 16 divisors (see below), whose sum is σ = 20075562240. Its totient is φ = 4517001288.

The previous prime is 11125207141. The next prime is 11125207187. The reversal of 11125207142 is 24170252111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125207141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20911778 + ... + 20912309.

It is an arithmetic number, because the mean of its divisors is an integer number (1254722640).

Almost surely, 2^11125207142 is an apocalyptic number.

11125207142 is a deficient number, since it is larger than the sum of its proper divisors (8950355098).

11125207142 is a wasteful number, since it uses less digits than its factorization.

11125207142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41824115.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 11125207142 its reverse (24170252111), we get a palindrome (35295459253).

The spelling of 11125207142 in words is "eleven billion, one hundred twenty-five million, two hundred seven thousand, one hundred forty-two".