100521206485 has 16 divisors (see below), whose sum is σ = 145113321600. Its totient is φ = 65300993856.

The previous prime is 100521206477. The next prime is 100521206507. The reversal of 100521206485 is 584602125001.

It is a happy number.

It is not a de Polignac number, because 100521206485 - 2³ = 100521206477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100521206485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75579190 + ... + 75580519.

It is an arithmetic number, because the mean of its divisors is an integer number (9069582600).

Almost surely, 2^100521206485 is an apocalyptic number.

It is an amenable number.

100521206485 is a deficient number, since it is larger than the sum of its proper divisors (44592115115).

100521206485 is a wasteful number, since it uses less digits than its factorization.

100521206485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151159740.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 100521206485 in words is "one hundred billion, five hundred twenty-one million, two hundred six thousand, four hundred eighty-five".