1523540011012 has 48 divisors (see below), whose sum is σ = 2789739308160. Its totient is φ = 728031755616.

The previous prime is 1523540010893. The next prime is 1523540011057. The reversal of 1523540011012 is 2101100453251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60189663 + ... + 60214969.

It is an arithmetic number, because the mean of its divisors is an integer number (58119568920).

Almost surely, 2^{1523540011012} is an apocalyptic number.

It is an amenable number.

1523540011012 is a deficient number, since it is larger than the sum of its proper divisors (1266199297148).

1523540011012 is a wasteful number, since it uses less digits than its factorization.

1523540011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26617 (or 26569 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1523540011012 its reverse (2101100453251), we get a palindrome (3624640464263).

The spelling of 1523540011012 in words is "one trillion, five hundred twenty-three billion, five hundred forty million, eleven thousand, twelve".