201523541104 has 40 divisors (see below), whose sum is σ = 401239381040. Its totient is φ = 97981083648.

The previous prime is 201523541083. The next prime is 201523541111. The reversal of 201523541104 is 401145325102.

It is a super-2 number, since 2×201523541104² (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 7 ways as a sum of consecutive naturals, for example, 921232 + ... + 1118800.

It is an arithmetic number, because the mean of its divisors is an integer number (10030984526).

Almost surely, 2^201523541104 is an apocalyptic number.

It is an amenable number.

201523541104 is a deficient number, since it is larger than the sum of its proper divisors (199715839936).

201523541104 is a wasteful number, since it uses less digits than its factorization.

201523541104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199337 (or 199331 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 201523541104 its reverse (401145325102), we get a palindrome (602668866206).

The spelling of 201523541104 in words is "two hundred one billion, five hundred twenty-three million, five hundred forty-one thousand, one hundred four".