11554516253252 has 36 divisors (see below), whose sum is σ = 23679557577900. Its totient is φ = 4918701057984.

The previous prime is 11554516253251. The next prime is 11554516253279. The reversal of 11554516253252 is 25235261545511.

It can be written as a sum of positive squares in 2 ways, for example, as 4581029631556 + 6973486621696 = 2140334^2 + 2640736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11554516253197 and 11554516253206.

It is not an unprimeable number, because it can be changed into a prime (11554516253251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197795003 + ... + 197853410.

It is an arithmetic number, because the mean of its divisors is an integer number (657765488275).

Almost surely, 2^{11554516253252} is an apocalyptic number.

It is an amenable number.

11554516253252 is an abundant number, since it is smaller than the sum of its proper divisors (12125041324648).

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

11554516253252 is a wasteful number, since it uses less digits than its factorization.

11554516253252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395648580 (or 395648571 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 47.

Adding to 11554516253252 its reverse (25235261545511), we get a palindrome (36789777798763).

The spelling of 11554516253252 in words is "eleven trillion, five hundred fifty-four billion, five hundred sixteen million, two hundred fifty-three thousand, two hundred fifty-two".