11551411055 has 8 divisors (see below), whose sum is σ = 13863848544. Its totient is φ = 9239692000.

The previous prime is 11551411037. The next prime is 11551411087. The reversal of 11551411055 is 55011415511.

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

It is a de Polignac number, because none of the positive numbers 2^k-11551411055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143576 + ... + 209085.

It is an arithmetic number, because the mean of its divisors is an integer number (1732981068).

Almost surely, 2^11551411055 is an apocalyptic number.

11551411055 is a deficient number, since it is larger than the sum of its proper divisors (2312437489).

11551411055 is an equidigital number, since it uses as much as digits as its factorization.

11551411055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359217.

The product of its (nonzero) digits is 2500, while the sum is 29.

Adding to 11551411055 its reverse (55011415511), we get a palindrome (66562826566).

The spelling of 11551411055 in words is "eleven billion, five hundred fifty-one million, four hundred eleven thousand, fifty-five".