11218258403 has 8 divisors (see below), whose sum is σ = 12498485760. Its totient is φ = 9981428680.

The previous prime is 11218258397. The next prime is 11218258411. The reversal of 11218258403 is 30485281211.

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 11218258403 - 2⁶ = 11218258339 is a prime.

It is a super-2 number, since 2×11218258403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11218258903) 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, 10848863 + ... + 10849896.

It is an arithmetic number, because the mean of its divisors is an integer number (1562310720).

Almost surely, 2^11218258403 is an apocalyptic number.

11218258403 is a deficient number, since it is larger than the sum of its proper divisors (1280227357).

11218258403 is a wasteful number, since it uses less digits than its factorization.

11218258403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21698817.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 11218258403 in words is "eleven billion, two hundred eighteen million, two hundred fifty-eight thousand, four hundred three".