11142636015 has 48 divisors (see below), whose sum is σ = 20760330240. Its totient is φ = 5088525120.

The previous prime is 11142636007. The next prime is 11142636017. The reversal of 11142636015 is 51063624111.

It is a happy number.

11142636015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11142636015 - 2³ = 11142636007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142636017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 756370 + ... + 770960.

It is an arithmetic number, because the mean of its divisors is an integer number (432506880).

Almost surely, 2^11142636015 is an apocalyptic number.

11142636015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11142636015 is a deficient number, since it is larger than the sum of its proper divisors (9617694225).

11142636015 is a wasteful number, since it uses less digits than its factorization.

11142636015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15652 (or 15645 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11142636015 in words is "eleven billion, one hundred forty-two million, six hundred thirty-six thousand, fifteen".