201104563540 has 48 divisors (see below), whose sum is σ = 425772547200. Its totient is φ = 79784781440.

The previous prime is 201104563441. The next prime is 201104563577. The reversal of 201104563540 is 45365401102.

It is a happy number.

It is a super-2 number, since 2×201104563540² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5086689 + ... + 5126071.

It is an arithmetic number, because the mean of its divisors is an integer number (8870261400).

Almost surely, 2^201104563540 is an apocalyptic number.

201104563540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201104563540 is an abundant number, since it is smaller than the sum of its proper divisors (224667983660).

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

201104563540 is a wasteful number, since it uses less digits than its factorization.

201104563540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41472 (or 41470 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 201104563540 its reverse (45365401102), we get a palindrome (246469964642).

The spelling of 201104563540 in words is "two hundred one billion, one hundred four million, five hundred sixty-three thousand, five hundred forty".