11555002121316 has 48 divisors (see below), whose sum is σ = 27345390699648. Its totient is φ = 3796905888000.

The previous prime is 11555002121287. The next prime is 11555002121339. The reversal of 11555002121316 is 61312120055511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1804120 + ... + 5134671.

It is an arithmetic number, because the mean of its divisors is an integer number (569695639576).

Almost surely, 2^{11555002121316} is an apocalyptic number.

It is an amenable number.

11555002121316 is an abundant number, since it is smaller than the sum of its proper divisors (15790388578332).

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

11555002121316 is a wasteful number, since it uses less digits than its factorization.

11555002121316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940772 (or 6940770 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 11555002121316 its reverse (61312120055511), we get a palindrome (72867122176827).

The spelling of 11555002121316 in words is "eleven trillion, five hundred fifty-five billion, two million, one hundred twenty-one thousand, three hundred sixteen".