11220598493 has 8 divisors (see below), whose sum is σ = 12364738848. Its totient is φ = 10116603504.

The previous prime is 11220598489. The next prime is 11220598511. The reversal of 11220598493 is 39489502211.

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 11220598493 - 2² = 11220598489 is a prime.

It is a super-2 number, since 2×11220598493² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220598393) 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, 10035755 + ... + 10036872.

It is an arithmetic number, because the mean of its divisors is an integer number (1545592356).

Almost surely, 2^11220598493 is an apocalyptic number.

11220598493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11220598493 is a deficient number, since it is larger than the sum of its proper divisors (1144140355).

11220598493 is a wasteful number, since it uses less digits than its factorization.

11220598493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072683.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 11220598493 in words is "eleven billion, two hundred twenty million, five hundred ninety-eight thousand, four hundred ninety-three".