985551012292 has 96 divisors (see below), whose sum is σ = 2192043200256. Its totient is φ = 376562995200.

The previous prime is 985551012287. The next prime is 985551012293. The reversal of 985551012292 is 292210155589.

985551012292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (985551012293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6253728 + ... + 6409384.

It is an arithmetic number, because the mean of its divisors is an integer number (22833783336).

Almost surely, 2^985551012292 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 985551012292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096021600128).

985551012292 is an abundant number, since it is smaller than the sum of its proper divisors (1206492187964).

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

985551012292 is a wasteful number, since it uses less digits than its factorization.

985551012292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156077 (or 156075 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 49.

The spelling of 985551012292 in words is "nine hundred eighty-five billion, five hundred fifty-one million, twelve thousand, two hundred ninety-two".