73155521082 has 96 divisors (see below), whose sum is σ = 184606128000. Its totient is φ = 19192212480.

The previous prime is 73155521071. The next prime is 73155521119. The reversal of 73155521082 is 28012555137.

It is a self number, because there is not a number n which added to its sum of digits gives 73155521082.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26419 + ... + 383417.

It is an arithmetic number, because the mean of its divisors is an integer number (1922980500).

Almost surely, 2^73155521082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73155521082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92303064000).

73155521082 is an abundant number, since it is smaller than the sum of its proper divisors (111450606918).

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

73155521082 is a wasteful number, since it uses less digits than its factorization.

73155521082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357076 (or 357069 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 73155521082 in words is "seventy-three billion, one hundred fifty-five million, five hundred twenty-one thousand, eighty-two".