11562238378242 has 56 divisors (see below), whose sum is σ = 26020219672944. Its totient is φ = 3851548135704.

The previous prime is 11562238378241. The next prime is 11562238378259. The reversal of 11562238378242 is 24287383226511.

11562238378242 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 2 + 23 + 8 + 378 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (11562238378241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 382948 + ... + 4824015.

It is an arithmetic number, because the mean of its divisors is an integer number (464646779874).

Almost surely, 2^{11562238378242} is an apocalyptic number.

11562238378242 is an abundant number, since it is smaller than the sum of its proper divisors (14457981294702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11562238378242 is an equidigital number, since it uses as much as digits as its factorization.

11562238378242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208506 (or 5208491 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 11562238378242 in words is "eleven trillion, five hundred sixty-two billion, two hundred thirty-eight million, three hundred seventy-eight thousand, two hundred forty-two".