11540021260 has 48 divisors (see below), whose sum is σ = 27010095840. Its totient is φ = 4115819520.

The previous prime is 11540021239. The next prime is 11540021261. The reversal of 11540021260 is 6212004511.

It is not an unprimeable number, because it can be changed into a prime (11540021261) 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, 886731 + ... + 899650.

It is an arithmetic number, because the mean of its divisors is an integer number (562710330).

Almost surely, 2^11540021260 is an apocalyptic number.

11540021260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11540021260 is an abundant number, since it is smaller than the sum of its proper divisors (15470074580).

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

11540021260 is a wasteful number, since it uses less digits than its factorization.

11540021260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786426 (or 1786424 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11540021260 its reverse (6212004511), we get a palindrome (17752025771).

The spelling of 11540021260 in words is "eleven billion, five hundred forty million, twenty-one thousand, two hundred sixty".