11145513243 has 8 divisors (see below), whose sum is σ = 14875272000. Its totient is φ = 7423048328.

The previous prime is 11145513233. The next prime is 11145513251. The reversal of 11145513243 is 34231554111.

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 11145513243 - 2⁴ = 11145513227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11145513243.

It is not an unprimeable number, because it can be changed into a prime (11145513233) 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, 1819893 + ... + 1826006.

It is an arithmetic number, because the mean of its divisors is an integer number (1859409000).

Almost surely, 2^11145513243 is an apocalyptic number.

11145513243 is a deficient number, since it is larger than the sum of its proper divisors (3729758757).

11145513243 is a wasteful number, since it uses less digits than its factorization.

11145513243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646921.

The product of its digits is 7200, while the sum is 30.

The spelling of 11145513243 in words is "eleven billion, one hundred forty-five million, five hundred thirteen thousand, two hundred forty-three".