8131842737250 has 128 divisors (see below), whose sum is σ = 21125803795200. Its totient is φ = 2080870041600.

The previous prime is 8131842737189. The next prime is 8131842737261. The reversal of 8131842737250 is 527372481318.

It is a super-2 number, since 2×8131842737250² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8131842737193 and 8131842737202.

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, 2398386 + ... + 4692114.

It is an arithmetic number, because the mean of its divisors is an integer number (165045342150).

Almost surely, 2^{8131842737250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8131842737250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10562901897600).

8131842737250 is an abundant number, since it is smaller than the sum of its proper divisors (12993961057950).

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

8131842737250 is a wasteful number, since it uses less digits than its factorization.

8131842737250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293941 (or 2293931 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 8131842737250 in words is "eight trillion, one hundred thirty-one billion, eight hundred forty-two million, seven hundred thirty-seven thousand, two hundred fifty".