1201809087359 has 16 divisors (see below), whose sum is σ = 1285004340480. Its totient is φ = 1120671599040.

The previous prime is 1201809087341. The next prime is 1201809087373. The reversal of 1201809087359 is 9537809081021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1201809087359 - 2¹² = 1201809083263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201809087359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201809087379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201347 + ... + 1563380.

It is an arithmetic number, because the mean of its divisors is an integer number (80312771280).

Almost surely, 2^{1201809087359} is an apocalyptic number.

1201809087359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1201809087359 is a deficient number, since it is larger than the sum of its proper divisors (83195253121).

1201809087359 is a wasteful number, since it uses less digits than its factorization.

1201809087359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765310.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 1201809087359 in words is "one trillion, two hundred one billion, eight hundred nine million, eighty-seven thousand, three hundred fifty-nine".