101961688520506 has 16 divisors (see below), whose sum is σ = 160992349077600. Its totient is φ = 48297579138288.

The previous prime is 101961688520467. The next prime is 101961688520507. The reversal of 101961688520506 is 605025886169101.

It is not an unprimeable number, because it can be changed into a prime (101961688520507) 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, 42335916 + ... + 44679448.

It is an arithmetic number, because the mean of its divisors is an integer number (10062021817350).

Almost surely, 2^{101961688520506} is an apocalyptic number.

101961688520506 is a deficient number, since it is larger than the sum of its proper divisors (59030660557094).

101961688520506 is a wasteful number, since it uses less digits than its factorization.

101961688520506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488493.

The product of its (nonzero) digits is 6220800, while the sum is 58.

The spelling of 101961688520506 in words is "one hundred one trillion, nine hundred sixty-one billion, six hundred eighty-eight million, five hundred twenty thousand, five hundred six".