11512664031242 has 16 divisors (see below), whose sum is σ = 19657987595712. Its totient is φ = 5005506100320.

The previous prime is 11512664031241. The next prime is 11512664031251. The reversal of 11512664031242 is 24213046621511.

It is a junction number, because it is equal to n+sod(n) for n = 11512664031196 and 11512664031205.

It is not an unprimeable number, because it can be changed into a prime (11512664031241) 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, 11376149723 + ... + 11376150734.

It is an arithmetic number, because the mean of its divisors is an integer number (1228624224732).

Almost surely, 2^{11512664031242} is an apocalyptic number.

11512664031242 is a deficient number, since it is larger than the sum of its proper divisors (8145323564470).

11512664031242 is a wasteful number, since it uses less digits than its factorization.

11512664031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22752300493.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 11512664031242 in words is "eleven trillion, five hundred twelve billion, six hundred sixty-four million, thirty-one thousand, two hundred forty-two".