11501142142012 has 12 divisors (see below), whose sum is σ = 20138519653000. Its totient is φ = 5747279384016.

The previous prime is 11501142141991. The next prime is 11501142142019. The reversal of 11501142142012 is 21024124110511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11501142142019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822913887 + ... + 822927862.

Almost surely, 2^{11501142142012} is an apocalyptic number.

It is an amenable number.

11501142142012 is a deficient number, since it is larger than the sum of its proper divisors (8637377510988).

11501142142012 is a wasteful number, since it uses less digits than its factorization.

11501142142012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645843500 (or 1645843498 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

Adding to 11501142142012 its reverse (21024124110511), we get a palindrome (32525266252523).

The spelling of 11501142142012 in words is "eleven trillion, five hundred one billion, one hundred forty-two million, one hundred forty-two thousand, twelve".