3501201952985 has 32 divisors (see below), whose sum is σ = 4703101159680. Its totient is φ = 2480032921600.

The previous prime is 3501201952949. The next prime is 3501201952993. The reversal of 3501201952985 is 5892591021053.

It is a happy number.

It is not a de Polignac number, because 3501201952985 - 2⁶ = 3501201952921 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28076 + ... + 2646354.

It is an arithmetic number, because the mean of its divisors is an integer number (146971911240).

Almost surely, 2^{3501201952985} is an apocalyptic number.

It is an amenable number.

3501201952985 is a deficient number, since it is larger than the sum of its proper divisors (1201899206695).

3501201952985 is a wasteful number, since it uses less digits than its factorization.

3501201952985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618929.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 3501201952985 in words is "three trillion, five hundred one billion, two hundred one million, nine hundred fifty-two thousand, nine hundred eighty-five".