11271145900 has 36 divisors (see below), whose sum is σ = 27952443568. Its totient is φ = 3864392640.

The previous prime is 11271145891. The next prime is 11271145901. The reversal of 11271145900 is 954117211.

It is not an unprimeable number, because it can be changed into a prime (11271145901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8050119 + ... + 8051518.

Almost surely, 2^11271145900 is an apocalyptic number.

11271145900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11271145900 is an abundant number, since it is smaller than the sum of its proper divisors (16681297668).

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

11271145900 is a wasteful number, since it uses less digits than its factorization.

11271145900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16101658 (or 16101651 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 11271145900 in words is "eleven billion, two hundred seventy-one million, one hundred forty-five thousand, nine hundred".