1201705015506 has 8 divisors (see below), whose sum is σ = 2403410031024. Its totient is φ = 400568338500.

The previous prime is 1201705015501. The next prime is 1201705015513. The reversal of 1201705015506 is 6055105071021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1201705015506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1201705015501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100142084620 + ... + 100142084631.

It is an arithmetic number, because the mean of its divisors is an integer number (300426253878).

Almost surely, 2^{1201705015506} is an apocalyptic number.

1201705015506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201705015506 is a wasteful number, since it uses less digits than its factorization.

1201705015506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200284169256.

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 1201705015506 in words is "one trillion, two hundred one billion, seven hundred five million, fifteen thousand, five hundred six".