11271859400 has 48 divisors (see below), whose sum is σ = 26846289540. Its totient is φ = 4398771200.

The previous prime is 11271859381. The next prime is 11271859427. The reversal of 11271859400 is 495817211.

It can be written as a sum of positive squares in 6 ways, for example, as 665743204 + 10606116196 = 25802^2 + 102986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679109 + ... + 695508.

Almost surely, 2^11271859400 is an apocalyptic number.

11271859400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11271859400 is an abundant number, since it is smaller than the sum of its proper divisors (15574430140).

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

11271859400 is a wasteful number, since it uses less digits than its factorization.

11271859400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374674 (or 1374665 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 11271859400 in words is "eleven billion, two hundred seventy-one million, eight hundred fifty-nine thousand, four hundred".