85140515200 has 192 divisors, whose sum is σ = 239828087520. Its totient is φ = 29587046400.

The previous prime is 85140515197. The next prime is 85140515249. The reversal of 85140515200 is 251504158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647005 + ... + 767395.

Almost surely, 2^85140515200 is an apocalyptic number.

85140515200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85140515200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119914043760).

85140515200 is an abundant number, since it is smaller than the sum of its proper divisors (154687572320).

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

85140515200 is a wasteful number, since it uses less digits than its factorization.

85140515200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120445 (or 120428 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 85140515200 in words is "eighty-five billion, one hundred forty million, five hundred fifteen thousand, two hundred".