83155306645250 has 32 divisors (see below), whose sum is σ = 177904838906496. Its totient is φ = 28510390849200.

The previous prime is 83155306645249. The next prime is 83155306645297. The reversal of 83155306645250 is 5254660355138.

It is a junction number, because it is equal to n+sod(n) for n = 83155306645192 and 83155306645201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23758657292 + ... + 23758660791.

It is an arithmetic number, because the mean of its divisors is an integer number (5559526215828).

Almost surely, 2^{83155306645250} is an apocalyptic number.

83155306645250 is an abundant number, since it is smaller than the sum of its proper divisors (94749532261246).

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

83155306645250 is a wasteful number, since it uses less digits than its factorization.

83155306645250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47517318107 (or 47517318097 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 83155306645250 in words is "eighty-three trillion, one hundred fifty-five billion, three hundred six million, six hundred forty-five thousand, two hundred fifty".