11218970518 has 24 divisors (see below), whose sum is σ = 19705626864. Its totient is φ = 4776282000.

The previous prime is 11218970491. The next prime is 11218970551. The reversal of 11218970518 is 81507981211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364273 + ... + 393868.

It is an arithmetic number, because the mean of its divisors is an integer number (821067786).

Almost surely, 2^11218970518 is an apocalyptic number.

11218970518 is a deficient number, since it is larger than the sum of its proper divisors (8486656346).

11218970518 is a wasteful number, since it uses less digits than its factorization.

11218970518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758308 (or 758301 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 43.

The spelling of 11218970518 in words is "eleven billion, two hundred eighteen million, nine hundred seventy thousand, five hundred eighteen".