11551457245 has 8 divisors (see below), whose sum is σ = 14677145784. Its totient is φ = 8697567744.

The previous prime is 11551457221. The next prime is 11551457257. The reversal of 11551457245 is 54275415511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5853321049 + 5698136196 = 76507^2 + 75486^2 .

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

It is not a de Polignac number, because 11551457245 - 2⁵ = 11551457213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11551457198 and 11551457207.

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, 67949664 + ... + 67949833.

It is an arithmetic number, because the mean of its divisors is an integer number (1834643223).

Almost surely, 2^11551457245 is an apocalyptic number.

It is an amenable number.

11551457245 is a deficient number, since it is larger than the sum of its proper divisors (3125688539).

11551457245 is a wasteful number, since it uses less digits than its factorization.

11551457245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135899519.

The product of its digits is 140000, while the sum is 40.

The spelling of 11551457245 in words is "eleven billion, five hundred fifty-one million, four hundred fifty-seven thousand, two hundred forty-five".