11553525111320 has 64 divisors (see below), whose sum is σ = 26077884366240. Its totient is φ = 4606767360000.

The previous prime is 11553525111311. The next prime is 11553525111347. The reversal of 11553525111320 is 2311152535511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23544470 + ... + 24030170.

Almost surely, 2^{11553525111320} is an apocalyptic number.

11553525111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11553525111320 is an abundant number, since it is smaller than the sum of its proper divisors (14524359254920).

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

11553525111320 is a wasteful number, since it uses less digits than its factorization.

11553525111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487596 (or 487592 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

Adding to 11553525111320 its reverse (2311152535511), we get a palindrome (13864677646831).

The spelling of 11553525111320 in words is "eleven trillion, five hundred fifty-three billion, five hundred twenty-five million, one hundred eleven thousand, three hundred twenty".