11898227309575 has 6 divisors (see below), whose sum is σ = 14753801863904. Its totient is φ = 9518581847640.

The previous prime is 11898227309561. The next prime is 11898227309587. The reversal of 11898227309575 is 57590372289811.

It is not a de Polignac number, because 11898227309575 - 2¹³ = 11898227301383 is a prime.

It is a super-2 number, since 2×11898227309575² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11898227309575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237964546167 + ... + 237964546216.

Almost surely, 2^{11898227309575} is an apocalyptic number.

11898227309575 is a deficient number, since it is larger than the sum of its proper divisors (2855574554329).

11898227309575 is an equidigital number, since it uses as much as digits as its factorization.

11898227309575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475929092393 (or 475929092388 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 67.

The spelling of 11898227309575 in words is "eleven trillion, eight hundred ninety-eight billion, two hundred twenty-seven million, three hundred nine thousand, five hundred seventy-five".