11045220515 has 32 divisors (see below), whose sum is σ = 15263990784. Its totient is φ = 7515895680.

The previous prime is 11045220509. The next prime is 11045220523. The reversal of 11045220515 is 51502254011.

It is not a de Polignac number, because 11045220515 - 2¹² = 11045216419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4657280 + ... + 4659650.

It is an arithmetic number, because the mean of its divisors is an integer number (476999712).

Almost surely, 2^11045220515 is an apocalyptic number.

11045220515 is a deficient number, since it is larger than the sum of its proper divisors (4218770269).

11045220515 is a wasteful number, since it uses less digits than its factorization.

11045220515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 11045220515 its reverse (51502254011), we get a palindrome (62547474526).

The spelling of 11045220515 in words is "eleven billion, forty-five million, two hundred twenty thousand, five hundred fifteen".