11512202204242 has 32 divisors (see below), whose sum is σ = 17670760312320. Its totient is φ = 5623876300800.

The previous prime is 11512202204221. The next prime is 11512202204263. The reversal of 11512202204242 is 24240220221511.

It is an interprime number because it is at equal distance from previous prime (11512202204221) and next prime (11512202204263).

It is a super-3 number, since 3×11512202204242³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11512202204242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4518559 + ... + 6591037.

It is an arithmetic number, because the mean of its divisors is an integer number (552211259760).

Almost surely, 2^{11512202204242} is an apocalyptic number.

11512202204242 is a deficient number, since it is larger than the sum of its proper divisors (6158558108078).

11512202204242 is a wasteful number, since it uses less digits than its factorization.

11512202204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072946.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 11512202204242 its reverse (24240220221511), we get a palindrome (35752422425753).

The spelling of 11512202204242 in words is "eleven trillion, five hundred twelve billion, two hundred two million, two hundred four thousand, two hundred forty-two".