1371317287158 has 512 divisors, whose sum is σ = 4194312192000. Its totient is φ = 321631782912.

The previous prime is 1371317287147. The next prime is 1371317287177. The reversal of 1371317287158 is 8517827131731.

It is a happy number.

1371317287158 is a `hidden beast` number, since 1 + 37 + 1 + 317 + 287 + 15 + 8 = 666.

It is a super-2 number, since 2×1371317287158² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 159469743 + ... + 159478341.

It is an arithmetic number, because the mean of its divisors is an integer number (8192016000).

Almost surely, 2^{1371317287158} is an apocalyptic number.

1371317287158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1371317287158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097156096000).

1371317287158 is an abundant number, since it is smaller than the sum of its proper divisors (2822994904842).

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

1371317287158 is a wasteful number, since it uses less digits than its factorization.

1371317287158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753 (or 8747 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 54.

The spelling of 1371317287158 in words is "one trillion, three hundred seventy-one billion, three hundred seventeen million, two hundred eighty-seven thousand, one hundred fifty-eight".