11552543455 has 8 divisors (see below), whose sum is σ = 13899632400. Its totient is φ = 9217647936.

The previous prime is 11552543449. The next prime is 11552543521. The reversal of 11552543455 is 55434525511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11552543455 - 2³ = 11552543447 is a prime.

It is a super-2 number, since 2×11552543455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3046270 + ... + 3050059.

It is an arithmetic number, because the mean of its divisors is an integer number (1737454050).

Almost surely, 2^11552543455 is an apocalyptic number.

11552543455 is a deficient number, since it is larger than the sum of its proper divisors (2347088945).

11552543455 is an equidigital number, since it uses as much as digits as its factorization.

11552543455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6096713.

The product of its digits is 300000, while the sum is 40.

The spelling of 11552543455 in words is "eleven billion, five hundred fifty-two million, five hundred forty-three thousand, four hundred fifty-five".