11271898524 has 96 divisors (see below), whose sum is σ = 27660971520. Its totient is φ = 3567852288.

The previous prime is 11271898511. The next prime is 11271898549. The reversal of 11271898524 is 42589817211.

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 31 ways as a sum of consecutive naturals, for example, 5626507 + ... + 5628509.

It is an arithmetic number, because the mean of its divisors is an integer number (288135120).

Almost surely, 2^11271898524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11271898524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13830485760).

11271898524 is an abundant number, since it is smaller than the sum of its proper divisors (16389072996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11271898524 is a wasteful number, since it uses less digits than its factorization.

11271898524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299 (or 2297 counting only the distinct ones).

The product of its digits is 322560, while the sum is 48.

The spelling of 11271898524 in words is "eleven billion, two hundred seventy-one million, eight hundred ninety-eight thousand, five hundred twenty-four".