11551042245 has 32 divisors (see below), whose sum is σ = 18645073920. Its totient is φ = 6106201920.

The previous prime is 11551042231. The next prime is 11551042271. The reversal of 11551042245 is 54224015511.

It is not a de Polignac number, because 11551042245 - 2¹⁴ = 11551025861 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 1897116 + ... + 1903194.

It is an arithmetic number, because the mean of its divisors is an integer number (582658560).

Almost surely, 2^11551042245 is an apocalyptic number.

11551042245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11551042245 is a deficient number, since it is larger than the sum of its proper divisors (7094031675).

11551042245 is a wasteful number, since it uses less digits than its factorization.

11551042245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 11551042245 its reverse (54224015511), we get a palindrome (65775057756).

The spelling of 11551042245 in words is "eleven billion, five hundred fifty-one million, forty-two thousand, two hundred forty-five".