11271898523 has 16 divisors (see below), whose sum is σ = 11951089920. Its totient is φ = 10601541216.

The previous prime is 11271898511. The next prime is 11271898549. The reversal of 11271898523 is 32589817211.

It is a cyclic number.

It is not a de Polignac number, because 11271898523 - 2⁴ = 11271898507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11271891523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879736 + ... + 1885722.

It is an arithmetic number, because the mean of its divisors is an integer number (746943120).

Almost surely, 2^11271898523 is an apocalyptic number.

11271898523 is a deficient number, since it is larger than the sum of its proper divisors (679191397).

11271898523 is a wasteful number, since it uses less digits than its factorization.

11271898523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706.

The product of its digits is 241920, while the sum is 47.

The spelling of 11271898523 in words is "eleven billion, two hundred seventy-one million, eight hundred ninety-eight thousand, five hundred twenty-three".