1315635505206 has 16 divisors (see below), whose sum is σ = 2870477466048. Its totient is φ = 398677425800.

The previous prime is 1315635505199. The next prime is 1315635505243. The reversal of 1315635505206 is 6025055365131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9966935580 + ... + 9966935711.

It is an arithmetic number, because the mean of its divisors is an integer number (179404841628).

Almost surely, 2^{1315635505206} is an apocalyptic number.

1315635505206 is an abundant number, since it is smaller than the sum of its proper divisors (1554841960842).

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

1315635505206 is a wasteful number, since it uses less digits than its factorization.

1315635505206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19933871307.

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 1315635505206 in words is "one trillion, three hundred fifteen billion, six hundred thirty-five million, five hundred five thousand, two hundred six".