3157855322688 has 448 divisors, whose sum is σ = 10224893952000. Its totient is φ = 947766251520.

The previous prime is 3157855322639. The next prime is 3157855322729. The reversal of 3157855322688 is 8862235587513.

It is a happy number.

3157855322688 is a `hidden beast` number, since 3 + 1 + 5 + 78 + 5 + 532 + 26 + 8 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 881342145 + ... + 881345727.

It is an arithmetic number, because the mean of its divisors is an integer number (22823424000).

Almost surely, 2^{3157855322688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157855322688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5112446976000).

3157855322688 is an abundant number, since it is smaller than the sum of its proper divisors (7067038629312).

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

3157855322688 is a wasteful number, since it uses less digits than its factorization.

3157855322688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 4031 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 63.

The spelling of 3157855322688 in words is "three trillion, one hundred fifty-seven billion, eight hundred fifty-five million, three hundred twenty-two thousand, six hundred eighty-eight".