85156381120 has 56 divisors (see below), whose sum is σ = 202834457424. Its totient is φ = 34053175296.

The previous prime is 85156381111. The next prime is 85156381129. The reversal of 85156381120 is 2118365158.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85156381111) and next prime (85156381129).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85156381129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191847 + ... + 1261273.

Almost surely, 2^85156381120 is an apocalyptic number.

85156381120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85156381120 is an abundant number, since it is smaller than the sum of its proper divisors (117678076304).

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

85156381120 is a wasteful number, since it uses less digits than its factorization.

85156381120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73277 (or 73267 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 85156381120 in words is "eighty-five billion, one hundred fifty-six million, three hundred eighty-one thousand, one hundred twenty".