11551513245 has 8 divisors (see below), whose sum is σ = 18482421216. Its totient is φ = 6160807056.

The previous prime is 11551513241. The next prime is 11551513301. The reversal of 11551513245 is 54231515511.

It is a happy number.

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

It is not a de Polignac number, because 11551513245 - 2² = 11551513241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551513241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385050427 + ... + 385050456.

It is an arithmetic number, because the mean of its divisors is an integer number (2310302652).

Almost surely, 2^11551513245 is an apocalyptic number.

11551513245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11551513245 is a deficient number, since it is larger than the sum of its proper divisors (6930907971).

11551513245 is an equidigital number, since it uses as much as digits as its factorization.

11551513245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770100891.

The product of its digits is 15000, while the sum is 33.

The spelling of 11551513245 in words is "eleven billion, five hundred fifty-one million, five hundred thirteen thousand, two hundred forty-five".