11045442515 has 8 divisors (see below), whose sum is σ = 13376132880. Its totient is φ = 8755286112.

The previous prime is 11045442511. The next prime is 11045442547. The reversal of 11045442515 is 51524454011.

It is a happy number.

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 11045442515 - 2² = 11045442511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11045442511) 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, 10132889 + ... + 10133978.

It is an arithmetic number, because the mean of its divisors is an integer number (1672016610).

Almost surely, 2^11045442515 is an apocalyptic number.

11045442515 is a deficient number, since it is larger than the sum of its proper divisors (2330690365).

11045442515 is a wasteful number, since it uses less digits than its factorization.

11045442515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20266981.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 11045442515 its reverse (51524454011), we get a palindrome (62569896526).

The spelling of 11045442515 in words is "eleven billion, forty-five million, four hundred forty-two thousand, five hundred fifteen".