3117255863902 has 4 divisors (see below), whose sum is σ = 4675883795856. Its totient is φ = 1558627931950.

The previous prime is 3117255863879. The next prime is 3117255863921. The reversal of 3117255863902 is 2093685527113.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3117255863902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779313965974 + ... + 779313965977.

It is an arithmetic number, because the mean of its divisors is an integer number (1168970948964).

Almost surely, 2^{3117255863902} is an apocalyptic number.

3117255863902 is a deficient number, since it is larger than the sum of its proper divisors (1558627931954).

3117255863902 is a wasteful number, since it uses less digits than its factorization.

3117255863902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558627931953.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 3117255863902 in words is "three trillion, one hundred seventeen billion, two hundred fifty-five million, eight hundred sixty-three thousand, nine hundred two".