521741522054012 has 96 divisors (see below), whose sum is σ = 1015917378436800. Its totient is φ = 234276056891136.

The previous prime is 521741522054003. The next prime is 521741522054047. The reversal of 521741522054012 is 210450225147125.

It is a super-2 number, since 2×521741522054012² (a number of 30 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 31 ways as a sum of consecutive naturals, for example, 4337195738 + ... + 4337316030.

It is an arithmetic number, because the mean of its divisors is an integer number (10582472692050).

Almost surely, 2^{521741522054012} is an apocalyptic number.

521741522054012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

521741522054012 is a deficient number, since it is larger than the sum of its proper divisors (494175856382788).

521741522054012 is a wasteful number, since it uses less digits than its factorization.

521741522054012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133712 (or 133684 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 41.

The spelling of 521741522054012 in words is "five hundred twenty-one trillion, seven hundred forty-one billion, five hundred twenty-two million, fifty-four thousand, twelve".