2011521050506 has 16 divisors (see below), whose sum is σ = 3464820948960. Its totient is φ = 866205236880.

The previous prime is 2011521050477. The next prime is 2011521050507. The reversal of 2011521050506 is 6050501251102.

It is not an unprimeable number, because it can be changed into a prime (2011521050507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2406125241 + ... + 2406126076.

It is an arithmetic number, because the mean of its divisors is an integer number (216551309310).

Almost surely, 2^{2011521050506} is an apocalyptic number.

2011521050506 is a deficient number, since it is larger than the sum of its proper divisors (1453299898454).

2011521050506 is a wasteful number, since it uses less digits than its factorization.

2011521050506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812251349.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 2011521050506 in words is "two trillion, eleven billion, five hundred twenty-one million, fifty thousand, five hundred six".